Swim Spa Covers

We are proud to be your online retailer of H2X swim spa covers and Michael Phelps swim spas covers. Our swim spa cover selection includes covers from Axis, Master Spa, and Smartop. They come in variety of colors and sizes, all in stock and ready to shipped to your door.

All of the covers in this section can be used for any Master Spas swim spa, which includes the H2X and Michael Phelps swim spa series. All of our Master Spas cover products ship free to the continental United States!

Cover Details

The Axis Cover System by Master Spas makes swim spa covers for both your H2X and Michael Phelps Swim Spa. Axis covers have a high-tech rolling feature, which makes it easy for anyone and everyone to operate - and is different from your typical folding cover. This new and innovative way to take your swim spa cover on and off makes swim spa sessions easier than ever. It's high-tech rolling feature makes it easy for anyone and everyone to operate. Additionally - they are extremely energy efficient and consist of a high quality thick insulation layer.

H2X Covers

Whether you’re looking for an H2X Trainer cover, an H2X Crosstrainer cover, or any other type of H2X cover, MSP has got you covered! H2X covers are 5 inches thick in the middle and taper off to 3 inches on the sides. They have an R-value of 20 and a one-pound foam density—making it ideal for cold-weather climates.

H2X swim spas have multiple different spas to choose from, therefore allowing for different types of spa covers depending on the model. One of the spas H2X offers is the H2X Therapool Series.This series is ideal for exercise and aquatic fitness- as it helps you get fit and stay active! Therapool has up to three jets that go along with the resistance of the water so you get the best workout possible. Additionally, these swim spas are extremely relaxing and induce hydrotherapy with massaging jets and contour seating.

Many H2X covers can also be used on the Michael Phelps Swim Spa line. Here are a the cover options along with the corresponding Master Spa (please check ‘Additional Information’ under each cover listing for specifics):

11' x 8' Axis Cover: This cover is for the H2X Therapool Spas

12’ x 8’ Axis Cover: This cover is for the H2X Trainer 12 Spas

14’ x 8’ Axis Cover: This cover is for the H2X Crosstrainer 14 Spa

15’ x 8’ Axis Cover: This cover is for the H2X Trainer 15 Spa

18' x 8' Axis Cover: This cover is for the H2X Trainer 18 and Michael Phelps Signature Spa

19' x 8' Axis Cover:This cover is for the H2X Trainer 19 and Michael Phelps (MP) Momentum Spas

Michael Phelps Swim Spas Covers

These covers include five different sizes and 13 unique color options. Our Michael Phelps hot tub covers are designed for energy efficiency, featuring a 5-inch thick design that tapers off to 3 inches. This smart design, combined with an R-value of 20 and a one-pound foam density, makes our Swim Spa Michael Phelps cover a great option for cold-weather climates.

Our assortment of Master Spas covers lock in heat and are long lasting, helping you save money over the life of your spa. Our covers are constructed using high-grade vinyl, UV protection, and tapered foam. They are built to strict ASTM standards for lockable safety covers, offering the highest level of safety in spa covers. MP Swim Spa Covers include:

17' x 8' Axis Cover: This cover is for the Michael Phelps Force Spas

18' x 8' Axis Cover: This cover is for the Michael Phelps Signature Spa and H2X Trainer 18

19' x 8' Axis Cover: This cover is for the MP (Michael Phelps) Momentum and H2X Trainer 19

If you have any questions about which swim spa cover is right for you, call us today at (855) 308-2149. And remember, our covers ship FREE to the continental United States!

This 7.5' x 13' Swim Spa Cover for your H2X Therapool swim spa is a folding cover for your swim spa! This cover is extremely easy to operate and it makes taking on and off your swim spa cover easier than ever.
7.5' x 13' Swim Spa Cover for H2X Therapool Spas (90" x 156")

$1,099.00

Customize Your Cover
The 8' x 11' (94'' x 132'') Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4". This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors to match the aesthetic of your hot tub area.
8' x 11' Cover for Master Spas (94" x 132")

$1,274.00

Customize Your Cover
The 8' x 12' (94'' x 144'') Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part (SKU: X454128). All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4". This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors to match the aesthetic of your hot tub area.
8' x 12' Cover for Master Spa (94" x 144")

$1,274.00

Customize Your Cover
The 14.5' x 8' (94" x 174'') Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4". This swim spa cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 colors to match the aesthetic of your hot tub area!
14.5' x 8' Cover for Master Spa (94" x 174")

$1,274.00

Customize Your Cover
The 8' x 15' (94" x 180") Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement (SKU: x454158). All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4". This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors!
8' x 15' Cover for Master Spa (94" x 180")

$1,374.00

Customize Your Cover
The 8' x 17' cover (94" x 201") Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4". This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors.
8' x 17' Cover For Master Spas (94" x 201")

$1,374.00

Customize Your Cover
The Master Spa Parts 8' x 18' cover (94" x 215") Master Spas® swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6" thick in the middle and taper off to 4". This cover includes an energy efficient 1.5 lb foam density and a 24 R-value, with a full length heat seal and upgraded rubber grip handles (included!). They are also available in 18 different colors to match the aesthetic of your hot tub area.
8' x 18' Cover for Master Spas (94" x 215")

$1,474.00

Customize Your Cover
The 8' x 19' replacement cover (94" x 231") is designed to fit your Master Spas® H2X swim spas and Michael Phelps swim spas. This replacement spa cover (SKU: Cover 19) is a 4-piece cover that comes in 18 different color options. Both styles offer heat seam pillows that prevent heat loss through the seams of your spa and upgraded rubber grip handles.
8' x 19' Cover for Master Spas (94" x 231")

$1,574.00

Customize Your Cover
The Smartop Upright Swim Spa Cover (XTST112) is the new standard when it comes to spa covers! Its durable and long-lasting hydraulic lift is a one-of-a-kind design that can be customized to fit most Swim Spas. The cover also creates privacy and a windscreen on your deck!

**Please note: ALL COVER LIFTER SALES ARE FINAL.**
Smartop Upright Swim Spa Cover

$5,495.00

Customize Your Cover
When it comes to setting standards for swim spa covers, the Smartop Vanish Swim Spa Cover (XTST113) sets the bar high. The hydraulic lifter on each Smartop cover allows for an easy open, as you are able to do it with one hand and stabilize it in an upright and locked position. These covers come in 6 colors, are designed to fit most Swim Spas, and are durable and long lasting.
Smartop Vanish Swim Spa Cover

$5,495.00

Customize Your Cover
The 8' x 11' Axis Swim Spa Cover for your H2X Therapool Spas is a hassle free cover for your swim spa! Made with great rolling technology, this energy efficient cover is extremely easy to operate and it makes taking on and off your swim spa cover easier than ever.
Axis Spa Cover 8' x 11' - H2X Therapool Spas

$3,950.00

Customize Your Cover
The 8' x 12' Axis Swim Spa Cover for your H2X Trainer 12 Spas is a hassle free cover for your swim spa! Made with high tech rolling technology, this energy efficient cover is extremely easy to operate and it makes taking on and off your swim spa cover easier than ever.
Axis Spa Cover 8' x 12' - H2X Trainer 12 Spas

$4,150.00

Customize Your Cover

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