Down shot of LSX 850
Down shot of LSX 850 Woman drinking from coffee mug in LSX 800 – Michael Phelps Legend Series Michael Phelps in LSX MPL underwater foot jets MPL water feature

LSX 850 – Michael Phelps Legend Series

Luxurious Open Arrangement

The Michael Phelps Legend Series Spa line has an all-new spa- the LSX 850. This beautiful spa combines luxury with a large open seating arrangement – perfect for friends and family! Combine that with hydrotherapy jets and LED waterfalls and lighting, and your stress will melt away.

Main features include:

  • 59 Therapeutic jets and 2 Master Blaster jets
  • Glowing LED Orion lights system to help set the mood for your spa session
  • EcoPur® Charge
  • Exclusive Features: StressRelief Neck and Shoulder Seat
  • Master ForceTM Bio-Magnetic Therapy System

Compare Models

The other Michael Phelps swim spas in this series are the LSX-700, LSX-800, and LSX-900:

The LSX 700 seats up to 5 people, has 62 powerful jets, and comes with a handful additional premium features.

The LSX 800 fits up to 6 people, consists of 70 orbit jets, and high-quality additional features.
The line of energy efficient LSX spas also include the following features: Smart Sensor Technology, LED Lights, EcoPur Charge Water Purification, ABS Pan Bottom, Master Force Bio-Magnetic Therapy System, Xtreme Therapy Seat, and more!

The LSX 900 seats up to 8 people, has 72 premium jets, and a plethora of high-quality features.

Dimensions:108”x 94”x 38” (274 cm x 239 cm x 97 cm)
Weight (dry/full):1,525 lbs / 7,095 lbs
Water care system:Mast3rPur Water Management System
Number of jets:72
Seating capacity:7-8
Secondary remote:1
Master Blasters:2 (14 jet nozzles each)
Water Features:AquaTerrace TM and AquaKrystalTM
LED lighting:Orion Light System TM
Exclusive features:

Noise Reduction System

Vac-Formed ABS Pan Bottom

This option finishes the frame with a vac-formed, high density ABS base that helps keep the heat in and unwanted pests out.

Match the color of your spa with the
skirting of your choice for a distinctive
combination that’s truly your own.
Choose from the standard DuraMaster
Premium polymer skirting or the
MasterTechTM skirt that has the look of
real wood, but is virtually maintenance
free. For the ultimate in luxury, choose
the convincing DreamStoneTM
synthetic rock skirt.


  • duramaster_portabello_skirtEspresso
  • duramaster_espressoGraphite
  • duramaster_espressoMidnight

MasterTech Deluxe (optional)

  • master_tech_walnut_grove_skirtDriftwood
  • master_tech_driftwood_skirtChestnut

DreamStone (optional)

  • master_tech_walnut_grove_skirtAshStone
  • master_tech_driftwood_skirtCanyonStone
Standard Features and Premium Options:

The Legend Series LSX 850 spa comes with a plethora of standard features listed above– in addition to premium options that enhance your overall spa experience. Details of both are listed below:

Master Force™ Bio-Magnetic Therapy SystemMaster Force™ Bio-Magnetic Therapy System

With the Master Force Bio-Magnetic Therapy System, magnetic therapy is applied strategically behind the StressRelief Neck and Shoulder Seat™. To hit pressure points on the back of your neck. This relieves pain, reduces swelling, improves circulation, and more.


Legend Series Spas feature Mast3rPur™ ultraviolet light and ozonation technologies to ensure that your spa has less harsh chemicals and is always clean and ready to enjoy.

Ecopure Charge Master Core TechnologyECOPUR® WATER FILTRATION

The advanced EcoPur® water filtration system
creates the most crystal-clear spa water on the market — even when compared to salt-based sanitizing systems.

Michael Phelps Legend Series Swim Spa Premium Bluetooth sound systemFUSION AIR SOUND SYSTEM (Premium)Two Options:

Deluxe Fusion Bluetooth Sound System includes a docking station and an FM Tuner controlled through the water-resistant remote control. It also includes six marine grade speakers, subwoofer and Bluetooth capability.

Deluxe Fusion Air Sound System includes BlueTooth capability for streaming your favorite music plus an FM Tuner controlled through the water-resistant remote control, six marine grade speakers, and a subwoofer.

Michael Phelps Swim Spas Quietflo waterflow systemQUIETFLO WATER CARE SYSTEM (Premium)

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

Michael Phelps Swim Spas Quietflo waterflow systemWI-FI MODULE (Premium)

With the Wi-Fi Module- you’re able to remotely control the operations of your spa! The convenience of running your spa from your phone has never been easier – you can set the water temp, run the pumps, and more!

Michael Phelps Swim Spas Quietflo waterflow systemDREAM LIGHTING (Premium)

Experience brilliant lights from the corners of your tub with Dream Lighting. These lights create a soothing and relaxing backyard ambiance for your spa session. Please note this option is not available with DreamStone Skirting.


The Afterglow Jet Package illuminates the larger crystal-like jets in your spa. This feature brings a kaleidoscope of colors through the jets in your spa to create a serene and fun spa experience.