
The Utopia most people end up choosing. Seven adults, a full-length UltraMassage lounge and an EcstaSeat facing it, all in a 226 × 226 footprint that fits where the Cantabria will not.
Scroll to turn the Geneva, or drag it. Seventy-two frames from Caldera's own 360° set.
Eight massage stations in a spa for seven: the Cantabria's programme in a square footprint. Pick a seat to see where it works.
Every aspect of the spa’s construction — insulation, heater, circulation pump and cover — works together to keep the water hot and the energy bill low.
The premium cabinet adds a modern black header, wood grain accent, stainless-steel trim and an integrated LED light bar.
Choose between six different jet sequences and three speeds to shape the massage around what your body needs that day.
Seats 6, each with its own jet layout.
Across 7 different types.


Pick the shell and the cabinet and the picture updates. Every combination is made to order; the showroom has one filled and heated.
Acrylic shell by Aristech, EcoTech Plus Cabinet: no painting, no sealing, hose it down.
Four things we check on the survey visit. Most terraces pass; when they don't, we tell you what to change before you commit.
Concrete slab or paved terrace, level to 10 mm. Not decking on joists unless reinforced. We can pour the slab.
About 490 kg/m². Ground floor: fine. Roof terrace: we check the structure with the building's plans or an engineer.
A dedicated line with RCD to a waterproof box within 1.5 m of the spa. Our electrician does it, or yours with our drawing.
The spa travels on edge, 226 × 97 cm footprint. Narrow gate or stairs: it comes over the wall with our crane.
NiagaraSix adults with two loungers facing each other. Utopia's conversation spa.
Geneva — this oneSeven adults, two loungers, 226 × 226 cm. The Utopia most people end up with.
TahitianSix adults and a lounge in 213 × 213 cm. The family Utopia.What comes with the Geneva and what you can add, from steps that match the cabinet to a lifter that parks the cover with one hand. Fitted by our own team at installation or any time after.
IncludedWeatherPro cover with child-resistant locks and the plates for a lifter; it comes with every Caldera.
OptionalTwo-tier steps that match the Utopia cabinet; Ash, Java or Parchment.
OptionalLifts the cover with one hand and parks it beside the spa. Compatible: ProLift II, ProLift III or ProLift IV.
OptionalSalt-based water care that reads the water and tells you what to add; softer water, far fewer chemicals.
Temperature, lights, jets and water readings from the Caldera app, at home or away.
AQAV wireless audio with speakers built into the shell; stream from any phone.
An ozone sanitiser fitted to the plumbing that cuts the chemicals you add.
A pivoting, lit handrail that anchors under the cabinet for a steady step in and out.
Black powder-coated aluminium stand for towels and robes beside the spa.
1 included · 8 options. Prices for options on request; we quote them with the spa so there are no surprises on the day.
Caldera's augmented-reality app places a true-to-size Geneva in your garden through your phone's camera: walk around it, try the shell colours, check the clearance to the wall.
The manufacturer’s own film, by Caldera Spas.





Book a free test soak: the showroom Geneva is filled and heated every day. Bring a swimsuit, try each seat, and ask Georgie, Martin or Patri about your terrace, the electrics and the monthly figure. Half an hour is enough; stay longer if you like.