Glamor shot of a LSX 900 Glamor shot of a LSX 900

Michael Phelps Legend SeriesLSX 900

To create this stunning spa, we started with all the amazing features and comfort of the LSX 800, then increased seating so you can share all the best life has to offer with all your favorite friends and family. A true luxury, the LSX 900 is the very best of Master Spas all wrapped up in one beautiful hot tub.

Dimensions 108" x 94" x 38" (275 cm x 239 cm x 97 cm)
Gallons 490 (1,855 L)
Jets 72  
Seating 7-8  
LSX 900 downshot

Michael Phelps Legend Series
LSX 900

Dimensions 108" x 94" x 38" (275 cm x 239 cm x 97 cm)
Weight (Dry/Full) 1,485 lbs (674 kg) / 7,055 lbs (3,200 kg)
Gallons 490 (1,855 L)
Power Requirement 240 V / 50 Amp
Seating Capacity 7-8
Stainless Steel Jets Jets 72 (2 Master Blasters ®)
Pumps 3
Water Features 3
Filtration EcoPur® Charge
LED Lighting Orion Light System™
Exclusive Features StressRelief Neck and Shoulder Seat™
Master Force™ Bio-Magnetic Therapy System
Vac-Formed ABS Pan Bottom
Secondary Remote
Premium Options QuietFlo Water Care System™
Mast3rPur™ Water Management System
Fusion Air Sound System
Wi-Fi Module
Afterglow Jet Package
Dream Lighting
Listing Number 310

Highlight Video

This spacious six-person hot tub has premium features, beautiful styling, and outstanding performance. Take advantage of the 70 hydrotherapy jets and realize the benefits of soaking in a hot tub.

StressRelief Neck & Shoulder Seat

Relieve unwanted tension and pain in your neck and shoulders. The unique out-of-water jets of the StressRelief Neck and Shoulder Seat targets this high-tension area.
Learn More

Master Blaster Foot Therapy

Soothe tired, achy feet with the Master Blaster Foot Therapy. Jet clusters, each with 14 individual nozzles, offer a relaxing foot massage.
Learn More

ABS Pan Bottom

The ABS Pan Bottom comes standard on all Michael Phelps Legend hot tubs. It offers a protective barrier between your spa and the foundation.

Bio-Magnetic Therapy System

Relieve inflammation, improve circulation, and boost nervous system responses. The Master Force Bio-Magnetic Therapy System targets pressure points on the neck and back with strategically placed magnets.
Learn More

Orion Light System

With the of a touch of a button, the Orion Light System allows you to illuminate the topside controls, water features, under the water, and more.

EcoPur Filtration

The clean, clear water you want without the harsh chemicals you don’t. EcoPur Charge uses minerals like copper and zinc to purify water and remove dirt, bacteria, and algae.
Learn More

Energy Efficient

Quality construction and energy-efficient materials help keep energy costs low. The full-foam insulation and a snug-fitting cover work together to maintain water temperature.
Learn More

Ozone System

The Ozone System releases a super fine mist that works with your sanitizer to kill bacteria and other organics. Your hot tub will require less maintenance and chemicals.
Learn More

Afterglow Light Package

Afterglow Light Package

This optional package adds some drama to your spa with a kaleidoscope of colors through the jets.

Dream Lighting

Beautiful soft streams of light accent the exterior corners of your hot tub. Not available with DreamStone Skirting.

fusion air sound system speaker

Fusion Air Sound System

Stream your favorite station or playlist via Bluetooth®. The hot tub stereo includes up to four interior, water-resistant speakers, and a subwoofer to maximize sound quality.
Learn More

Control your spa with a wifi module

Wifi Module

Control your hot tub from the convenience of your phone. Set the water temperature, turn on the light, run the massage pumps, and more.

QuietFlo Water Care System

Maximize efficiency, while keeping water filtered and heated evenly. The QuietFlo Water Care System utilizes a circulation pump to move water at preset intervals.
Learn More

Mast3rPur

The Mast3rPur™ Water Management System reduces the amount of chemicals, like chlorine, that you need to use and keeps your spa water clean naturally.
Learn More

  • 10 YEARS - Spa Structure
  • 7 YEARS - Shell Surface
  • 5 YEARS - Equipment
  • 5 YEARS - Plumbing
  • 5 YEARS - Jets
  • 5 YEARS - Skirting: Dreamstone™
  • Lifetime - Skirting: Duramaster Polymer™

See complete warranty for details.

Estimated Monthly Operation Cost

$24.05


Three quarter view of a legend series hot tub

Colors Available:

SHELL: Sterling Silver (Standard)

SKIRTING: DuraMaster Espresso (Standard)

hot tub installation in a wooded area hot tub installation in a wooded area

See what our customers are saying

Family Relaxation

"We have a large family. The light and music features give you a truly entertaining experience while we enjoy being together relaxing. It also has the added advantage of creating natural communication opportunities with our teenagers." - Eric, Indiana

Spacious and Soothing

"This hot tub is so spacious and relaxing! It has tons of jets that are smooth and don't leave us feeling beat up. It's been a great activity for our family to do together as well." - JMRitonya, Indiana

Recovery and Rejuvenation

"I'm a former power lifter, and my body loves soaking in the hot water and getting massaged by the jets. My wife also loves the way it relaxes her after a tough long day at work." - Curse21, Pennsylvania


At Master Spas, we make buying a hot tub or swim spa just as relaxing as using one.

Visit our showroom through a video chat
See a hot tub or swim spa, select the perfect size.
A professional will evaluate your space
We can do this with a photo & dimensions or by visiting your backyard.
Schedule a day for installation
When you're ready, a hot tub or swim spa can be installed in one day.

Michael Phelps Legend Series LSX 900 Reviews