Master Spas Trainer 21D
Last updated: October 2026
Master Spas Trainer 21D price: buyers report paying $38,349–$46,500 (average $42,275, 10 reports).
What Buyers Are Paying
Dealers never pay to influence scores or rankings.
Questions about the Master Spas Trainer 21D
Ask here — Christian Schrader answers on Ask the Pros. You can also leave a comment about this model.
Questions other swim spa shoppers asked
-
Is a swim spa cheaper than a pool?
Up front, a swim spa is almost always less expensive than an in-ground pool. Installed swim spa projects typically land between $25,000 and…
-
How much does it cost to run a swim spa?
Monthly electricity for a swim spa usually lands between $50 and $150, with cold-climate winter months at the top of that range. The…
-
How do you maintain swim spa water?
The routine is the same as a hot tub, just applied to a much larger volume of water — which actually makes chemistry a bit more stable, not…
Ask the first question about the Master Spas Trainer 21D.
Key Specifications
Seats
8
Jets
51
Dimensions
257" x 94" x 60"
Volume
1830 gal
Zones
Dual Zone
How much does the Master Spas Trainer 21D cost?
Buyers who reported what they paid for the Master Spas Trainer 21D average $42,275. This model has 10 total submissions; the average uses 10 selected reports, with reported prices running from $38,349 to $46,500.
Specs driving that price: 51 jets, 4 pumps, a 257" x 94" x 60" footprint, 220v power. Larger cabinets, more pumps and higher jet counts push both list price and running cost up.
Questions about the Master Spas Trainer 21D
Ask here — Christian Schrader answers on Ask the Pros. You can also leave a comment about this model.
Questions other swim spa shoppers asked
-
Is a swim spa cheaper than a pool?
Up front, a swim spa is almost always less expensive than an in-ground pool. Installed swim spa projects typically land between $25,000 and…
-
How much does it cost to run a swim spa?
Monthly electricity for a swim spa usually lands between $50 and $150, with cold-climate winter months at the top of that range. The…
-
How do you maintain swim spa water?
The routine is the same as a hot tub, just applied to a much larger volume of water — which actually makes chemistry a bit more stable, not…
-
What kind of base or pad does a swim spa need?
Weight is the deciding factor. Empty, a swim spa may weigh 2,000-4,000 lbs; filled with water and occupants it commonly reaches…
-
How much does a swim spa cost?
Most swim spas sell between roughly $20,000 and $45,000 before delivery, electrical work, and site prep. The rough tiers look like this…
Ask the first question about the Master Spas Trainer 21D.
Owner reviews of the Master Spas Trainer 21D
Bought a Trainer 21D? Share what you paid and how you like it.
Performance Ratings
Swim Level
Recreational
Propulsion
Jetted (Air Induction)
Features
Warranty Details
Electrical Years
5 years
Equipment Years
5 years
Labor Years
5 years
Parts Years
5 years
Plumbing Years
5 years
Registration Required
No
Shell Structure Years
10 years
Shell Surface Years
7 years
Skirt Years
Lifetime
Transferable
No
Full Specifications
Questions about the Master Spas Trainer 21D
Ask here — Christian Schrader answers on Ask the Pros. You can also leave a comment about this model.
Questions other swim spa shoppers asked
-
Is a swim spa cheaper than a pool?
Up front, a swim spa is almost always less expensive than an in-ground pool. Installed swim spa projects typically land between $25,000 and…
-
How much does it cost to run a swim spa?
Monthly electricity for a swim spa usually lands between $50 and $150, with cold-climate winter months at the top of that range. The…
-
How do you maintain swim spa water?
The routine is the same as a hot tub, just applied to a much larger volume of water — which actually makes chemistry a bit more stable, not…
Ask the first question about the Master Spas Trainer 21D.
User-Reported Pricing
Nationwide
Available From This Dealer
Browse swim spa dealers by metro →
Enter your zip code to find dealers near you
Where to buy the Master Spas Trainer 21D
