A hot tub can hold varying amounts of gallons depending on its size and design. Generally, hot tubs range in size from small two-person models to large eight-person or more models.
Smaller hot tubs usually have a capacity of around 250-400 gallons. These are commonly referred to as "plug-and-play" or portable hot tubs.
Medium-sized hot tubs typically hold about 400-600 gallons. These are often built-in or freestanding models that offer additional features and seating capacity.
Larger hot tubs, designed for larger groups or for those who want a more luxurious experience, can hold anywhere from 600 to over 1,000 gallons. These tubs may have multiple seating areas, more jets, and additional features like built-in sound systems or LED lighting.
Ultimately, the number of gallons in a hot tub depends on its specific make and model. It's important to check the manufacturer's specifications or consult the owner's manual to determine the precise gallon capacity of a particular hot tub.
Best Hot Tubs of 2025
1
Rating is 5 out of 5
MSPA, Oslo, Frame Series, Fixed Body, Movable, Hot Tub & Spa, Wi-Fi, App Controlled, Jets & Bubble System – 6 Person
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EASY ASSEMBLY: Plug & play system & simple 4 easy screws on 4 corners, no tools required and rest is all plug in modules. Hard Body frame with Rhino Tech 6 layer reinforced PVC inner liner
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WI-FI ENABLED & APP CONTROLLED: Say goodbye to the days of reaching over your spa or worse having to get out of your relaxing soak just to change some settings. Have full control of your MSpa at all times right at your fingertips. Enjoy the easiest operation and usability through our intuitive UI. Easily receive tips, notices, and alarm messages on the go so you’re always in the loop.
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OLED TOUCH SCREEN: All your spa controls in one convenient unit! Easily control your spa from your easy to use control center. Our newest all-in-one control box now features a protective cover to shield from harsh outdoor elements such as direct sunlight and extreme weather conditions.
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HYDROMASSAGE JETS PLUS: Going beyond just comfort, hydromassage provides amazing health benefits for your mental and physical health. Enjoy an immersive at home experience that has been shown to relieve muscle soreness and tension, soothe minor aches and pains, and reduce stress and anxiety.
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LED LIGHT - LIGHT UP THE NIGHT: Take your spa experience to the next level with beautiful lighting. Our light up spas feature an LED light strip at the bottom to make your spa GLOW. Translucent fabric elements allow beautiful patterns to shine through for a truly romantic environment for your evening soaks. Switch colors based on your mood and enjoy late into the night.
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REVOLUTIONARY FIXED BODY: HOT TUB & SPA option for houses, apartments, buildings, or tight spaces that does not have access to move a normal Fixed Frame Hot Tub over the roof.
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SMART FILTRATION: To ensure the best quality of water in the spa, the filter cartridge is suggested to be cleaned after each use and replaced every 3-5 days. Feel hard to follow the tips each time? Don’t worry there will be a reminder popping up at least once a week when spa keeps working.
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ALL-AROUND BUBBLING DESIGN: 360° air jet system fills the spa with thousands of bubbles, staggered jets push bubbles into the center of the spa creating a balanced, all-encompassing body massage.
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ANTI-ICING SYSTEM: When the water temperature is lower than 1°C (33.8°F), the heater runs automatically until the water is heated up to 3°C (37.4°F). This will help prevent water from freezing. The circulation system, pump, and pipe will be saved.
2
Rating is 4.9 out of 5
Life Smart LS100 Taupe 4 Person Plug and Play Thermal Friction Heating Square Hot Tub Spa with 13 Jets, Black Cover, & Multi Color LED Lighting System
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Provides relaxation at the touch of a button for up to 4 people with the convenient digital command center with a quick assembly; Includes lightweight polyester cover that resists abrasions and is less prone to fading from the sun
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Pampering yourself is easy with the 13 hydrotherapy high-powered jets with an underwater, multi-color LED light system, giving you the ultimate spa experience
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Energy efficient and exceeds California Energy Commission mandates for hot tub energy consumption, so there is no need to turn the temperature down while not in use
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Innovative thermal friction heating system eliminates the need for a separate heater with full-foam insulation, and the included thermal locking cover will keep the heat in
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Water capacity of 205 gallons with an exterior of 70 inches long, 61 inches wide, and 32 inches tall, while the interior measures 57 inches wide and 28 inches tall
3
Rating is 4.8 out of 5
ALEKO 4-Person Inflatable Hot Tub |Square 160 Gallon | Tub with Fitted Cover | 100-130 Bubble-Jets | Hot Tub Spa with 3 Filters| 5ft by 5ft | Outdoor Hot Tub | (Brown HTISQ4BR)
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4 PERSON HOT TUB 1200W HEATER - ALEKO Inflatable Hot Tub with hot tub accessories heats up to 104°F at 5°/hr. Easy 5 minute set up with automatic inflation hose. Portable hot tub is cleaner and hotter with included tub cover (polyurethane).
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AUTOMATIC INFLATION, EASY SETUP - ALEKO 4 Person Inflatable Hot Tub features push-button automatic inflation, easily portable. Inflatable tub heats quickly with powerful hot tub heater and tub cover. ALEKO Outdoor Hot Tubs remain clean with inflatable pool filter (x3).
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ALL MATERIALS INCLUDED: ALEKO 160 Gallon Tub (5' x 5' x 2' feet), fitted polyurethane cover to maintain heat, inflation hose, 3 filters, 1 filter cover, ground cloth, rubber plug, repair kit, 1200W Heater, 1800W (110-120V) power pack, 600W bubbler, 120 Volt AC filter pump. Connect directly to outlet for best results.
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DIGITAL PANEL, BUBBLER JETS - ALEKO Portable Hot Tub features massaging jet bubbles, temperature control, and inflation on easy to use digital panel. Upgrade to ALEKO home spa and tub for convenient use all year long, for travel and vacations, customer support and premium quality.
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ELEGANCE AND QUALITY - ALEKO 4 Person Inflatable Hot Tub provides long lasting service for your family. We stand behind the Amazon 30-day money-back guarantee. Customer service available to assist with shipment, delivery, measurement, install, and tech support needs.
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ALEKO does not ship Inflatable Hot Tubs to residents of California, due to state requirements for energy efficiency.
4
Rating is 4.7 out of 5
Intex 28481E Simple Spa 77 Inch x 26 Inch 4 Person Outdoor Portable Inflatable Round Heated Hot Tub with 100 Bubble Jets, Carry Bag, and Cover, Gray
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Pamper and treat yourself with the 100 soothing high-powered jets that give you the ultimate spa experience in relaxing water up to 104 degrees Fahrenheit
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Round 77 by 26-inch above-ground blow-up tub provides relaxation at the touch of a button for up to 4 people with the easy-to-use tilt-adjustable control panel
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Spa for adults has a built-in hard water treatment system ensures a gentle feeling on skin, clothes, and the entire spa system; Water capacity: 210 gallons
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Includes insulated cover, heater/blower system, 2 filter cartridges, thermal ground cloth, inflation hose, carry bag, floating chlorine dispenser, and test strip
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Disclaimer: This item requires 28523E energy efficient cover for purchases shipped to California, if not, the order is subject to be canceled due to shipping restrictions
5
Rating is 4.6 out of 5
Bestway Miami SaluSpa 2 to 4 Person Inflatable Round Outdoor Hot Tub Spa with 140 Soothing AirJets, Filter Cartridges, Pump, & Insulated Cover, Black
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Round 2 to 4-person spa has you relaxed in no time with a soothing massage system, rapid heating, and integrated water filtration
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Built-in AirJet system with 140 jets releases warm air into the water, while the digital control panel adjusts the temperature up to 104 degrees Fahrenheit
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Features a FreezeShield automatic heating function to prevent inner components from freezing during colder temperatures to ensure long-lasting use
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Includes a pump, an insulated cover, cupholders, ChemConnect dispenser to main clean water, filter cartridges, and repair patch
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Constructed of durable DuraPlus materials with cushioned, comforting floors and a convenient drain valve for ultimate stability; Dimensions (L x W x H): 71 x 71 x 26 inches
6
Rating is 4.5 out of 5
RELXTIME 73in x 73in 4-6 Person Inflatable Hot Tub Spa, AirJet Outdoor Portable Hottub with 130 Bubble Jets, Filter Cartridges, Insulated Cover, Grey
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RELAXING INFLATABLE SPA: Square 4 to 6-person spa has you relaxed in no time with a soothing massage system, rapid heating, and integrated water filtration. Using a touch digital control panel, easy to inflate & deflate
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DURABLE & INNOVATIVE CONSTRUCTION: The spa's durable PVC material and beam construction offer superior strength and stability while ensuring your inflatable spa never loses its shape
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ENERGY EFFICIENT SPA COVER: Inflatable cover provides extra insulation and minimizes heat loss; this cover will help protect your Hot Tub from rainwater pooling
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FREEZE PROTECTION: Freeze protection automatic heating function prevents inner components from freezing, you can use your inflatable spa in colder temperatures
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ACCESSORIES: 1 pool cover, 1 inflatable caover, 4 seat cushions, 2 filter cartridges & 2 covers, 20 strips water testing, 2 PVC patches, 1 spanner, 1 inflation hose, 1 air valve cap, 1x way valve, 1 x barometer, 1 drainage bung, 2 child safety key, 1 power cable, 1 storage bag, 1 instruction manual.
7
Rating is 4.4 out of 5
Intex SimpleSpa Bubble Massage 4 Person Inflatable Round Hot Tub Relaxing Outdoor Water Spa with Soothing Jets, Insulated Cover, and Storage Bag, Gray
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Inflatable hot tub offers relaxation in comfort with 100 soothing high-powered jets for a refreshing massage and an ultimate spa experience
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Features an all-in-1 control unit to adjust the heating system to suit personal preferences of water temperatures
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Accommodates up to 4 people with a convenient cup holder, a floating chemical dispenser, and 2 easy-to-replace filter cartridges for cleaner water
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Sturdy horizontal beam construction for stability that withstands outdoor elements for long-lasting use with a water capacity of 210 gallons
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Includes an insulated cover to minimize heat loss, a thermal ground cloth, and a carry bag for easy storage; Dimensions (L x W x H): 77 x 77 x 26 inches
8
Rating is 4.3 out of 5
Bestway Helsinki SaluSpa 7 Person Inflatable Outdoor Hot Tub Spa with 180 Soothing AirJets, Filter Cartridges, Pump, and Insulated Cover, Brown Wood
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ATTENTION: Shipping restrictions may apply. This model is not available for sale in the following states: CA, MA, ME, NJ, NV, NY, OR, RI. Residents of these states may select the comparable Bestway model sold with energy-efficient EnergySense thermal cover to avoid cancellation.
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Round 5 to 7-person spa has you relaxed in no time with a soothing massage system, rapid heating, and integrated water filtration
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Built-in AirJet system with 180 jets releases warm air into the water, while the digital control panel adjusts the temperature up to 104 degrees Fahrenheit
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Features a FreezeShield automatic heating function to prevent inner components from freezing during colder temperatures to ensure long-lasting use
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Constructed of durable drop stitch material that provides rigidity while still being lightweight for easy portability when deflated
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Includes a pump, an insulated cover, cupholders, a ChemConnect dispenser to main clean water, a filter cartridge, and a repair patch
9
Rating is 4.2 out of 5
Jleisure Avenli Aegean 1,200 Liter 65 inch 6 Person Portable Rigid Foam Wall Hot Tub Spa with Insulated Cover and Floor Protector, Black
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Rigid Foam Spa measures 65 inches long, 65 inches wide, and 27 inches tall, the ideal size for up to 6 adults
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Insulated foam walls act as an insulator and retain the heat whilst the Tri-Tech PVC material provides a durable shell for durability and longevity
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Features 90 bubble jet holes and a 104-degree Fahrenheit rapid heating system for longer and more comfortable spa relaxation anytime
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Digitally controlled pump for a user-friendly operation; Note, filter and filter cartridge are located in the back pocket of the pump
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Includes insulated top cover with double-locking safety clips, floor protector, pump unit, 2 filter cartridges, flexible inflation hose, and repair patch
10
Rating is 4.1 out of 5
INTEX 28441EP PureSpa Greywood Deluxe Spa Set: Includes Energy Efficient Spa Cover – Spa Control App – Wireless Control Panel – 6 Person Capacity – 85" x 28"
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✔ FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
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✔ THE ULTIMATE SPA EXPERIENCE – Control all Spa functions from your phone or tablet; program Spa use and maintenance remotely with WIFI connectivity; available on App Store and Google Play App
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✔ REMOVABLE WIRELESS CONTROL PANEL – The Greystone Deluxe PureSpa includes a removable wireless control panel that features integrated wireless charging; 48 hours of operation on a single charge and conveniently attaches to top of the tub
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✔ ENERGY EFFICIENT SPA COVER – High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%
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✔ PREMIUM ACCESSORIES – Everything you need for pure relaxation! Let your worries bubble away with 2 contoured headrests and a mood-setting multi-colored LED light (requires 3 AAA batteries, not included)
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✔ CUSTOMER SATISFACTION – Our dedicated customer service team is available via phone, chat, or email to help with any questions you may have on use, installation, or service needs; INTEX's 1-Year Manufacturer Limited Warranty gives you peace of mind
11
Rating is 4 out of 5
INTEX 28429EP PureSpa Plus Bubble Massage Spa Set: Includes Energy Efficient Spa Cover – 2 Contoured Headrest – LED Light – 4 Person Capacity – 77" x 28"
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✔ FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
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✔ HARD WATER TREATMENT SYSTEM – Built-in Hard Water Treatment System makes water gentler on skin, clothes and the entire spa system; hard water buildup limits water flow and reduces the life of your spa
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✔ HEATED AIR BUBBLE TECHNOLOGY – The Positive Temperature Coefficient (PTC) heater is designed to maximize heat transfer to the water, while ensuring the highest level of safety, performance, and longevity
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✔ ENERGY EFFICIENT SPA COVER – High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%
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✔ PREMIUM ACCESSORIES – Everything you need for pure relaxation! Let your worries bubble away with 2 contoured headrests and a mood-setting multi-colored LED light (requires 3 AAA batteries, not included)
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✔ CUSTOMER SATISFACTION – Our dedicated customer service team is available via phone, chat, or email to help with any questions you may have on use, installation, or service needs; INTEX's 1-Year Manufacturer Limited Warranty gives you peace of mind
What is the typical weight of a hot tub?
The weight of a typical hot tub can vary depending on its size, material, and features. On average, a small hot tub can weigh around 500 to 800 pounds (227 to 363 kilograms), while larger models can weigh up to 2,000 to 3,000 pounds (907 to 1,361 kilograms). It is important to consider the weight of the hot tub when planning for its installation, as it will require a structurally sound foundation to support its weight.
What is the best type of hot tub cover lifter?
The best type of hot tub cover lifter can vary depending on personal preferences and specific needs. However, some popular and highly rated types include:
- Hydraulic cover lifters: These lifters use hydraulic assistance to easily lift and lower the hot tub cover. They require minimal effort and provide excellent support.
- Undermount cover lifters: These lifters are discreetly installed underneath the hot tub cabinet, allowing for a clean and unobstructed view of the surroundings. They are suitable for limited space areas.
- Gas-assisted cover lifters: These lifters use gas springs to assist in lifting and lowering the hot tub cover. They are known for providing smooth and effortless operation.
- Manual cover lifters: These are the most basic type, typically consisting of handles or bars that are manually used to lift and remove the hot tub cover. They are usually more affordable but require more physical effort.
Ultimately, the best hot tub cover lifter will depend on factors such as individual strength, budget, available space around the hot tub, and desired ease of use. It is recommended to read customer reviews, compare features, and consider personal requirements before making a decision.
How to properly drain a hot tub?
To properly drain a hot tub, follow these steps:
- Turn off the power: Before starting the drainage process, make sure to turn off the power to your hot tub at the circuit breaker. This will prevent any potential accidents or damage.
- Gather necessary equipment: Prepare a submersible pump and a garden hose long enough to reach a suitable drainage area. It's beneficial to have a high-capacity pump to expedite the process.
- Locate the drainage outlet: Find the outlet valve or the drain plug on your hot tub. It is typically located near the bottom, usually on the side or at the bottom of the tub.
- Connect the garden hose: Attach the garden hose securely to the drainage outlet. Ensure that it is tightly fastened to prevent any leaks during the drainage process.
- Set up the submersible pump: Place the submersible pump into the hot tub, making sure it is fully submerged in water.
- Turn on the pump: Switch on the pump, allowing it to start draining the water from the tub. Depending on the size of your hot tub, this process may take a while, so be patient.
- Redirect the drainage: You can divert the water from the garden hose to an appropriate drainage area such as a nearby drain, lawn, or garden. Ensure that the area can handle the volume of water being drained.
- Clean the tub while draining: While the hot tub drains, take the opportunity to clean it. Use a hot tub-specific cleaner or a mild solution of dish soap and warm water. Scrub the surfaces, including the interior, jets, and filters.
- Rinse and repeat: Once the tub is drained completely, rinse all the surfaces with clean water to remove any remaining cleaning solution or debris.
- Remove any residual water: After the initial drain, there may be some residual water left at the bottom of the tub. Use a wet-dry vacuum or towels to remove the remaining water. Ensure that the tub is completely dry before closing it up.
- Recap and secure: Replace the drain plug or close the valve securely. Double-check to ensure everything is tightly closed to prevent water leakage.
- Refill the hot tub: Once you have drained and cleaned the tub, you can refill it with fresh water. Follow the manufacturer's instructions for refilling, as they may provide specific guidelines regarding water quality, water level, and chemicals.
Remember, always consult your hot tub's user manual or manufacturer's instructions for specific guidelines regarding draining and maintenance to ensure you follow the proper procedures for your particular model.
How to prevent hot tub bacteria growth?
Here are some tips to prevent hot tub bacteria growth:
- Regularly sanitize the water: Use a quality sanitizer, such as chlorine or bromine, to maintain proper water chemistry and kill bacteria. Follow the manufacturer's instructions for the correct dosage and testing frequency.
- Test the water regularly: Use a test kit to measure the pH, sanitizer levels, and total alkalinity of the water. Test the water at least once a week and adjust the chemical levels accordingly.
- Maintain proper water circulation and filtration: Properly designed hot tubs have built-in circulation and filtration systems. Ensure these systems are functioning optimally to keep the water clean and minimize the risk of bacterial growth. Regularly clean and replace the filters as recommended by the manufacturer.
- Shower before entering the hot tub: Encourage everyone to shower with soap and warm water before using the hot tub. This helps remove any dirt, sweat, oils, or lotions that may potentially contaminate the water.
- Limit hot tub usage: Overcrowding can strain the sanitizer's ability to keep up with the demand. Limit the number of people using the hot tub at one time to ensure adequate sanitation.
- Avoid using the hot tub if you have an open wound or infection: Open cuts, sores, or infections can introduce bacteria into the water. It is best to avoid using the hot tub until the skin has healed completely.
- Drain and clean the hot tub regularly: Completely drain the hot tub every 3-4 months and thoroughly clean it using a non-abrasive cleaner. Pay attention to all surfaces, including the shell, jets, and possibly even the plumbing lines, depending on your hot tub design. Remove any biofilm or debris that may have accumulated.
- Educate users: Properly educate all users about the importance of hygiene and regularly maintaining the hot tub to prevent bacterial growth. Encourage them to report any issues and follow the guidelines for safe usage.
Remember to consult the manufacturer's guidelines or seek professional advice specific to your hot tub model for the best practices in preventing bacterial growth.
How to find the right hot tub size for your space?
Finding the right hot tub size for your space involves considering different factors such as your available space, the number of people who will be using the hot tub, and your personal preferences. Here are some steps to help you find the right size:
- Measure your space: Begin by measuring the area where you plan to install the hot tub. Consider both the length and width dimensions and note any potential obstacles or limitations in your space.
- Determine the capacity: Decide how many people will typically use the hot tub at once. Hot tubs generally range in capacity from two-person to eight-person models, although smaller or larger options are available.
- Consider your usage: Think about how you intend to use the hot tub. If you primarily want it for intimate relaxation, a smaller size could be suitable. However, if you plan to entertain guests often or have a larger family, a larger tub might be more appropriate.
- Test out different sizes: Visit a hot tub showroom or spa center to physically sit and test various tub sizes. This will give you a better understanding of the space each size provides and help you determine which size is the most comfortable and practical for you.
- Check the dimensions and layout: Review the specific dimensions and layout of the hot tubs you are considering. Pay attention to the seat layout and the depth of the tub, ensuring it meets your preferences and needs.
- Consider access and installation: Determine whether your space has suitable access for delivery and installation of the hot tub. Also, think about the weight and structural requirements to ensure your space can support the hot tub you choose.
- Seek professional advice: If you are unsure about what size is appropriate for your space, consider consulting with a hot tub professional who can provide recommendations based on your specific requirements.
By following these steps, you will be able to find the right hot tub size that fits your available space, accommodates the desired number of users, and suits your lifestyle needs.
