LSX 900

LSX 900 is rated 4.0 out of 5 by 85.
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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 Capacity 7-8

Features

Woman enjoying a relaxing foot massage in hot tub

Master Blaster ™ Foot Therapy

Give your feet the massage of a lifetime with 28 perfectly-positioned jets for the ultimate indulgence.

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LED Lighting

Glowing LED Lighting

Add some drama to your spa with a kaleidoscope of colors that will set the mood for a relaxing evening.

Stress Relief hot tub seat

StressRelief™ Neck and Shoulder Seat

Release the day's tension with specifically designed jets, focused on your neck and shoulders.

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Clean pure hot tub water with Mast3rPur Water Management System

Mast3rPur™ Water Management System*

Only Master Spas has a blended system of three natural sanitizers for unparalleled water quality with clarity, silkiness and a fresh smell.

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Deluxe Fusion Air bluetooth hot tub Sound System with marine grade speakers and subwoofer

Fusion Touch Sound System*

Bring your favorite music beautifully to life and complete the spa experience with this optional Bluetooth sound system.

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Woman remotely adjusting the hot tub temperature using an app on her tablet

Wi-Fi Module*

Get your spa ready to go from inside your home using your iPad©.


  • Ergonomic Design
  • Orbit Jets
  • Smart Sensor Technology
  • Xtreme Therapy Seat
  • LED Lights
  • Mast3rPur™ Water Management System
  • Master Blaster™ Foot Therapy
  • Afterglow Light Package*
  • EcoPur® Charge Water Purification
  • StressRelief™ Neck and Shoulder Seat
  • Fusion Touch Sound System*
  • Energy Efficient
  • Master Force™ Bio-Magnetic Therapy System
  • Wi-Fi Module*
Learn more about these features here

* Optional features

Shell Options

Sterling silver color swatch for acrylic hot tub shell
Sterling Silver
Sierra color swatch for acrylic hot tub shell
Sierra
Oyster Opal color swatch for acrylic hot tub shell
Oyster Opal
Desert Sand color swatch for acrylic hot tub shell
Desert Sand
Tuscan Sun color swatch for acrylic hot tub shell
Tuscan Sun
Midnight Canyon color swatch for acrylic hot tub shell
Midnight Canyon
Storm Clouds color swatch for acrylic hot tub shell
Storm Clouds
Oceanwave Opal color swatch for acrylic hot tub shell
Oceanwave Opal
Winter Solstice color swatch for acrylic hot tub shell
Winter Solstice

**Oyster Opal, Storm Clouds, and Desert Sand are unavailable on the LSX 900.

Skirt Options

DuraMaster Premium™

Duramaster Premium wood-look hot tub skirt in portabello color
Portabello
Duramaster Premium wood-look hot tub skirt in espresso color
Espresso

DreamStone™

Dreamstone stone-look hot tub skirt in desert color
Desert
Dreamstone stone-look hot tub skirt in granite color
Granite

DuraMaster™ II

Duramaster II contemporary hot tub skirt in ultra black color
Ultra Black

Model Specifications

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 (3200 kg)
Gallons 490 (1,855 L)
Pumps 4
Number of Jets 72
Seating Capacity 7-8
Secondary Remote 1
Master Blasters™ 2
Rated 1 out of 5 by from Our first hot tub we looked at hot tubs for two years before buying one, we were so excited to get it, poured a new slab stamped and colored it to look like slate, its beautiful, the we had the hot tub delivered, had the electrician come out and get it all wired, turned it on aannnnnndddd, wait for the drum roll.................................. NOTHING, it wont even come on, they sent someone out, then master spa said my SPA PANEL was wrong, so I had my electrician come back and put in a new one(not cheap), now they keep having a tech come(over and over), have not fixed anything, the spa has everything EXACTLY they way it shows in the manuals, still nothing. $22,000.00 for this,
Date published: 2023-12-12
Rated 1 out of 5 by from Does not standby their product Masterspa has zero quality control. 1st they the hot tub without terminal connections. Then there was no wifi module installed. They blamed this on dealer when it was on the order form submitted to them. The dealer is a different other issue. I bought this through the big E. They sent the wrong cover lifter and proceeded to drill holes into the side of the tub again after the installers called the shop and told them it was wrong. Masterspa is a joke. Their tubs aren’t worth $500. Go with Bullfrog or hotspring.
Date published: 2023-12-11
Rated 3 out of 5 by from Hopefully will use more in the future Yes the hot tub is great for my achy back and was recommended by my Dr. But we had several issues with delivery and then the control panel had to be replaced. And we do not like the lounge seat in this spa. You can’t sit in it without floating out of it. The jets are great and feel wonderful. And its large enough to float on a raft in it. Also on a large spa which is what we wanted….the cover is really heavy to lift for an old person. The sales person should maybe have shared that info with us.
Date published: 2023-11-21
Rated 5 out of 5 by from Best hot tub made Seriously the best hot tub I’ve ever bought. I have chronic back problems due to a car accident from an illegal T-bone in my truck two years ago. Probably one of the best decisions that were made is buying this tub. The Jets are so strong.
Date published: 2023-10-19
Rated 5 out of 5 by from GREAT HOT TUB !!! WE WENT WITH FRIENDS OF OURS WHO WANTED TO REPLACE THEIR HOT TUB . WE HADNT THOUGHT ABOUT BUYING A TUB AT ALL. THE FACTORY REP WE SPOKE WITH AT THE SHOW WAS VERY KNOWLEDGABLE AND EXPLAINED THE TUB VERY WELL. LONG STORY SHORT, I BOUGHT A MICHAEL PHELP LSX 900 ! THIS THING IS AWESOME !! HIGHLY RECOMMENDED. I HAVE USED IT PRETTY MUCH EVERY DAY. OUR FRIENDS ENDED UP PURCHASING A SWIM SPA AND THE LSX800. THE DELIVERY OF THE TUB WAS ON TIME AND WAS DONE BY A SECOND PARTY DELIVERY GUY. HE GOT IT PLACED AND THE TOP PUT ON AND HE WAS GONE. NO EXPLANATION OF HOW THE TUB WORKED., AS THERE ARE ALLOT OF AIR VALVES AND SETTINGS. ( THIS WAS THE ONLY NEGATIVE PART OF THIS TRANSACTION) CODY FROM ATLANTA POOL AND SPA WAS AMAZING EXPLAINING THINGS OVER THE PHONE AND TEXT MESSAGE. THIS IS MY FIRST SPA SO I HAD NO IDEA HOW THINGS WORKED, AFTER TRAIL AND ERROR AND A LEARNING CURVE WE GOT THIS THING FIGURED OUT. WE HAVE ONNLY HAD ONE GLITCH WITH THE START SCREEN GOING BLANK. WE RESET THE POWER TO THE TUB AND IT SEEMS TO HAVE CORRECTED ITSELF
Date published: 2023-09-19
Rated 4 out of 5 by from We enjoy the tub.. however I wish the seats all had consistent jet pressure. The seats about 7, but because the seats have a shared pressure, the more people in the tub the lower the pressure. Also the tub arrived with one of the filters ( one with orange core) cross threaded in the tub, so it’s not easy to take out to clean and put back in. I also asked for clarification on the cancer warning sticker on the tub and dealer (Krevco Lifestyles) was unable to comment. On first fill the water was brown and swampy looking, and was creating a yellow ring around the tub. Don’t know if that’s normal or not, but did clear up. The filters looked very soiled.
Date published: 2023-06-29
Rated 3 out of 5 by from Issues at the very start Issues were: stickers on the inside of the tub were hard to get off, and when rubbed off floating paper particles got into the filters. Value for the waterfall did not close completely, two of the eight dream lights were dimmer than the others.
Date published: 2023-06-29
Rated 1 out of 5 by from Disappointing: not working with 3phase electricity The purchase of MasterSpa LSX 900 turned out to be big disappointment. We hoped for a high quality product and prepared electrical installation according to the dealers advices, but since the hot tub arrived (Nov 2022) they could not get it to work on 3-phase electricity (as of March 2023). As a result, we got 8-person spa which could be used by maximum 2 persons at a time (as only one pump can work on full speed simultaneosly). It's a big disappointment, as for 5 months MasterSpa did not come with a solution. Be careful when buying this product and look for better alternatives! We still hope to get our spa fixed and I know it's a common problem among international versions, but no one came with a solution or even a repair schedule.
Date published: 2023-03-28
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Does the cover Open on the 8ft side or 9 ft side?

Asked by: Vegas240
Our standard covers are designed to open away from the topside controller. The controller is located on the 108' or 9 foot side of the spa.
Answered by: Anna
Date published: 2023-06-27

What is the height from the base to the top of the cabinet, not including the lip of the interior that comes over? I am planning to install the spa recessed in a deck so I would like to know this dimension.

Asked by: CAJAM
The overall height of a LSX900 is 38" - the flange or lip of the spa is approximately 4" from the top of the spa. Due to slight variations in the acrylic and the way it is formed we always recommend fully having possession of the spa if measurement is needing to be exact on installation to landscaping.
Answered by: Anna
Date published: 2023-06-15

We have purchased the LXS 900 and have had it hooked up. We are ready to fill it up. We need to know what to buy to for the water, and where to purchase it? 

Asked by: Blain
Hello Thank you for contacting us. Your dealer would be able to recommend everything you need for your water. If you bought the spa at a show, there should be a contact on the receipt that you could call. The essential chemicals that are usually needed are the following: -pH up and down -Non-Chlroine shock -Sequestering agent -sanitizers. If you have further questions, feel free to give us a call 800.860.7727
Answered by: Javi
Date published: 2022-08-22

What is the recommended cover lifter to use with this tub?

Asked by: djwhit92
We highly suggest contacting your dealer if you have one for a suggested cover lift since we only manufacture the spas.
Answered by: Javi
Date published: 2022-06-30

Are there any differences between the 2021 model LSX 900 Electrical Hookup Diagram and the 2020 MPS 900 Electrical Hookup Diagram?  If so can you post a link to the 2021 model?

Asked by: bdarlin
Hello! I just got sent a copy of the 2021 diagram from our Customer Service team and it does differ slightly. I've sent in a message to our team about getting our website updated but until then, I'll be emailing you the 2021 diagram. Thanks!
Answered by: Kayla
Date published: 2022-04-13

I see the overall dimensions of 108x94 is listed for the LXS900. What are the dimensions of the black bottom base (L x W), also the height of that base?

Asked by: kc1029
Hello! Assuming you're talking about the ABS pan bottom, it would be 105" x 91 3/8". The height would be 3.5". Hopefully this helps!
Answered by: Kayla
Date published: 2022-08-28

Have an LSX900 on order. Looking for what side of the unit to bring the power to so I can get the power roughed in to that point. Assuming it would be one of the corners where I would need to stub/locate the conduit. Is there a drawing available?

Asked by: kc1029
Hello! All electrical diagrams can be found by clicking the "Resources" tab at the top of our website. You'll then see a button to take you to the electrical requirements. Here's a link to the diagram for the Legend 900: https://www.masterspas.com/documents/electrical-hookups/legend/MPL%20900%20Electrical%20Hookup.pdf If your spa has a circ pump, you'll want this diagram: https://www.masterspas.com/documents/electrical-hookups/legend/MPL%20900%20Electrical%20Hookup%20with%20Circ%20Pump.pdf Hope this helps!
Answered by: Kayla
Date published: 2021-02-25

I just purchased the LSX900. I see on the video there is an waterproof iPad feature. What is the cost of that accessory? 

Asked by: Ronetta
Hello! All questions regarding accessory pricing will need to be answered by your retailer.
Answered by: Kayla
Date published: 2021-01-07
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