A perfect choice for active families or individuals wanting swim fitness and spa relaxation in one compact unit.

The ML4 features powerful MAAX Force™ swim jets that create a steady, adjustable current for swimming, resistance training, and low-impact workouts. The ML4 includes ergonomic seating and hydrotherapy jets to ease muscles post-exercise. With LED lighting, efficient insulation, and user-friendly controls, the ML4 brings both performance and comfort to your garden. Whether for fitness, therapy, or fun, the American Whirlpool ML4 fits seamlessly into your wellness routine.

A swim spa tether anchor point sits discretely along the top. Slot your tether system in for the ultimate swim workout.

The ML4 shell is stylish and durable. Made from continuous cast acrylic, this premium thickness shell is hard and non-porous. This allows it to resist stains, fading, scratches and chemical abuse. The the look of pearl or metalescence, the extremely rugged and durable finish offers beauty and peace of mind.

American Whirlpool swim spas are built to the same quality standards as their appliance grade hot tubs. Every model features a steel frame, Northern Exposure® insulation and ABS bottom pan.The locking insulated cover means your ML4 is warm and ready to use any time of the year.

Looking for more options?

The American Whirlpool MX6 is the MX5's bigger brother. It features the same great, powerful swim lane but the longer design adds space for three hydrotherapy seats at the end. Use these for a post-swim recovery massage, or simply add more functionality to your spa being able to use it for relaxation and fitness.

If you're looking for a dedicated fitness swim spa, you might also want to check out the Icelandic Wellness Swim and the Ocean Future 501T.

Key Features