Tim O'Donnell created a space to train and unwind with an H2X Challenger swim spa by Master Spas

Challenger 18 Proinstallation Challenger 18 Proinstallation Save $1,500 with Coupon
Tim O'Donnell portrait

Professional triathlete Tim O'Donnell chose an H2X Challenger 18D Pro by Master Spas for his backyard. Here are some of the advantages you can enjoy as well:

  • Swim at your pace
  • Fitness and therapy
  • Reinvent family time
  • Year-round use
  • Easy maintenance
Three quarter view of a Challenger 18 Pro

Tim O'Donnell owns a Challenger 18 Pro by Master Spas


$1,500 OFF H2X Challenger swim spa
$500 OFF any hot tub

(* denotes a required field.)


** Some restrictions apply. Limted time offer. See coupon for complete details.

Daily self-care on your doorstep.

Creating your dream backyard oasis should be simple. With the Master Spas range of ultra-therapeutic hot tubs and swim spas it is.

Hot Tubs

Enjoy Better Daily Living
Superior hydrotherapy and custom features make it easy to soak away stresses. From pure relaxation to reinventing family time, your perfect hot tub awaits.

Hot tubs by Master Spas

Swim Spas

Take back your day, and win it.
A Michael Phelps Signature Swim Spa by Master Spas® is the perfect alternative to a pool. Balance fitness and wellness goals with family life as you create new memories — and a new routine.

Michael Phelps Swim Spa by Master Spas
relaxing in a hot tub

Pure Relaxation

Unwind in the soothing waters of a Master Spas hot tub. Among the therapeutic benefits are better sleep, improved mood, and less stiffness.

neck and shoulder hot tub jets

Relief from Pain

Feel aches and pain dissolve as you take advantage of the massage jets. Find the perfect pressure and spot to get the relief you’ve been seeking.

water feature on a hot tub

EcoPur Filtration

Mirroring Mother Nature, this water filtration system that utilizes copper and zinc to purify water so that it is crystal clear and fresh. The system reduces the demand for spa chemicals.

family time in a hot tub

Family time

Reconnect with family in a space that’s relaxing and fun. Whether you choose a hot tub for soaking or a swim spa for splashing, your Master Spa will become a screen-free destination.

See what our customers are saying

Less Stress, More Sleep

"The hot tub is good for stress. If I use it at the end of the day, I can fall right asleep."

Farmington, CT

More Than I Ever Expected

"Our Master Spas hot tub has changed our lives. The health benefits, relaxation, muscle therapy and just plain joy have been more than I ever expected."

Vernon, CT

Total Relaxation Package

"Love the tub, the size, the seating, the jets. The lighting and sound system are definitely a plus."

Wolcott, CT


We want every person, every athlete, to have the opportunity to be their best self — whether it's prioritizing wellness or making it to the top of the podium. We are proud to support these athletes as they strive to win their day.