For the most ideal personal care experience, Caldera presents the Utopia Series featuring an exclusive combination of high-performance details and transformational design. Utopia Series models offer the pinnacle of hot tub comfort, design, and performance. Ease of use, low operating costs, and an exceptional hot tub experience make our Utopia Series the preferred choice of discerning spa owners.
Tahitian

Many describe the Tahitian® hot tub as “just right.” Whether you are planning a party or looking to complement your workout routine, the Tahitian spa won’t disappoint. Relax in this model knowing that it’s loaded with hot tub features that you’ll enjoy day-in and day-out.
Specifications
Seats | Seats 6 Adults |
Dimensions | 7′ x 7′ x 36″ / 213cm x 213cm x 91cm |
Volume | 400 gallons / 1525 liters |
Filter Size | 100 sq. ft. |
Electrical | 230v/50 amp |
Weight | 910 lbs. / 415 kgt (Dry) 5,295 lbs.* / 2,420 kg (Filled) |
Provence

The Provence is a patio-size spa featuring side “his and her” lounges and seating for up to 4 adults. Its smaller profile makes it ideal for couples looking for a high-performance, luxury spa to fit a compact space. The spa fits through most exterior standard doorways for convenient installation.
Specifications
Seats | Seats 4 Adults |
Dimensions | 6’6” x 7’ x 35” / 198 cm x 213 cm x 89 cm |
Volume | 265 gallons / 1,005 liters |
Filter Size | 75 sq. ft. |
Electrical | 230v/50 amp |
Weight | 865 lbs. / 395 kg |
Niagara

If you’re looking for a spa that comfortably accommodates friends and family, seating seven adults, the Niagara® hot tub is a crowd pleaser. Its power and size makes this hot tub model an exceptional performer and perfect for backyard entertaining.
Specifications
Seats | Seats 7 Adults |
Dimensions | 7’5″ x 7’5″ x 38″ / 226cm x 226cm x 97cm |
Volume | 400 gallons / 1525 liters |
Filter Size | 100 sq. ft. |
Electrical | 230v/50 amp |
Weight | 995 lbs. / 450 kg (dry) 5555 lbs. / 2535 kg (filled) |
Geneva

The Geneva® is a luxury hot tub featuring a spacious interior that seats six adults. The comfortable Ultra Massage® lounge and foot massage jets feel amazing.
Specifications
Seats | Seats 6 Adults |
Dimensions |
7’5″ x 7’5″ x 38″ / 226cm x 226cm x 97cm
|
Volume | 410 gallons / 1550 liters |
Filter Size | 100 sq. ft. |
Electrical | 230v/50 amp |
Weight |
Florence

The thoughtful open seat design of this 7’ spa that seats six adults makes it an ideal spa for entertaining friends or spending time with family. With 46 therapy jets and an Atlas® Massage System, it’s also perfect for enjoying a daily 20-minute renewal soak alone.
Specifications
Seats | Seats 6 Adults |
Dimensions | 7’ x 7’ x 36” / 213 cm x 213 cm x 91 cm |
Volume | 360 gallons / 1,362 liters |
Filter Size | 100 sq. ft. |
Electrical | 230v/50 amp |
Weight | 872 lbs. / 396 kg |
Cantabria

The Cantabria hot tub, by Caldera Spas, comfortably fits 8 adults and features the UltraMassage™ lounge with the customizable UltraMasseuse® System. This jetting system will make you feel like royalty. Create your personal spa experience with six different jet sequences and three speeds.
Specifications
Seats | Seats 8 Adults |
Dimensions | 9′ x 7’7″ x 38″ / 274cm x 231cm x 97cm |
Volume | 615 gallons / 2325 liters |
Filter Size | 100 sq. ft. |
Electrical | 230v/50 amp or 70 amp |
Weight | 1310 lbs. / 595 kg (Dry) 7840 lbs. / 3560 kg (Filled) |