Master Spas Trainer 15 D — a 15-foot swim spa with Master Spas' adjustable-speed air-injected swim current, 45 jets, 60 inches of depth and bench seating for up to 12 when nobody is swimming. Single temperature, one body of water.

At a glance: 12 seats · 45 jets · 180" x 94" x 60" · Swim spa, bench seating · Certified-used

Living with it. 1,595 gallons; sixty inches deep gives a real swim stroke without hitting bottom, and fifteen feet is the length where most swimmers stop touching the far wall. Same price as our Endless Pools X2000 and five feet shorter — the trade-off is footprint against the X2000's dual-temp design. Engineered pad, dedicated circuit, delivery route checked in advance.

Condition. Certified-used: stripped, tested under power, worn parts replaced, and run on our floor before listing.

New MSRP: $39,000 (manufacturer's suggested retail price when new). This is a certified-used unit — our price is the price shown.