10 Best 4 Person Inflatable Hot Tubs 2026 in the United States

The INTEX 28425EH PureSpa Bubble Massage Spa is a well-rounded choice for a 4-person inflatable hot tub. Its Fiber-Tech Beam Construction ensures it is stable while also being comfortable, enhancing the spa experience. Measuring 77 inches in diameter and 28 inches in height, it provides ample space for up to four people. The PVC material used is durable, and the high-density thermal-resistant foam cover helps in retaining heat, making it energy efficient by up to 50%.

The built-in Hard Water Treatment System is a notable feature, as it makes the water gentler on your skin and the spa’s system, which can be beneficial if you have hard water in your area. The Positive Temperature Coefficient (PTC) heater effectively heats the water to a range of 68-104 degrees Fahrenheit, ensuring a warm and relaxing soak. The hot tub features 120 jets, contributing to a soothing bubble massage experience, which is a great way to unwind.

The control panel is user-friendly, although some users might find adjusting settings slightly complicated at first. Weighing nearly 100 pounds, it could be a bit heavy to move around, but once set up, maintenance is relatively straightforward. The hot tub requires assembly, which might take some time but is manageable with the provided instructions. In terms of capacity, it holds 210 gallons of water, which is sufficient for its intended use. On the downside, some users have noted that it can take a while to heat up initially, and purchasing the separate electrolytic cell to upgrade sanitization adds additional cost. This hot tub is particularly suited for those looking for a portable, energy-efficient, and comfortable spa experience in their backyard.

The INTEX SimpleSpa Bubble Massage Inflatable Hot Tub is designed to comfortably fit four people, with a spacious 77" diameter and 26" height. It features 100 bubble jets that provide a soothing massage experience, making it a strong choice for relaxation and casual spa use. The tub is made with durable materials including a puncture-resistant mesh hull and vinyl, helping it withstand outdoor use. Heating is adjustable via a compact control unit that also offers convenience with cup and phone holders. The insulated cover and ground cloth help retain heat, improving energy efficiency.

An electronic hard water treatment system is built-in to reduce calcium buildup, which means less maintenance and better water quality. It holds 210 gallons of water and requires a standard 230V outlet with 13 amps. While setup requires some assembly, it is generally straightforward. This model cannot be shipped to certain states due to regulations.

This hot tub provides good durability, user-friendly controls, and enjoyable massage features, making it a solid choice for families or small groups seeking an easy-to-use inflatable spa. If you live in a restricted state or want a larger spa, you might want to consider other options.

The Intex SimpleSpa inflatable hot tub is designed to comfortably fit up to 6 people, making it spacious enough for small groups or families. It measures 85 inches in diameter and 26 inches in height, offering a roomy round shape. The materials used include acrylic, polyethylene, and vinyl, with a mesh exterior that adds puncture resistance and durability—good for outdoor use on patios or backyards. Heating is adjustable through a built-in system that works with a standard electric power source (13 amps), allowing you to set a comfortable water temperature. One standout feature is the 140 powerful heated bubble jets that deliver a soothing massage experience, which is more than enough to relax after a long day. The control panel is user-friendly and compact, also conveniently designed to hold cups or phones nearby.

The hot tub includes an energy-efficient cover and ground cloth, helping to retain heat and protect the tub when not in use. It also features an electronic hard water treatment system that helps reduce mineral buildup, which makes maintenance easier and improves water quality. Setup requires some assembly but is generally straightforward for an inflatable tub. However, as with most inflatable hot tubs, it may not be as sturdy as permanent hot tubs and might require occasional care to avoid leaks or punctures despite the mesh protection.

Its water capacity is quite large at 290 gallons, so filling and draining might take time. For those wanting a portable, easy-to-store option with strong jets and decent durability for casual spa use, this model is a good fit. While it may not satisfy buyers looking for a very rigid, permanent hot tub structure, it provides solid value for an inflatable spa.