Utopia™ Series
Better by Design
An exclusive combination of high-performance details make each Utopia™ spa a hydrotherapy powerhouse that’s easy to use with low operating costs. It’s the most ideal personal care experience, and a visually-stunning garden focal point.
Every model is ready to use with our simple and intuitive FreshWater™ Salt System for longer lasting, natural feeling water.
Utopia™ Spa Models
Utopia™ Series
Utopia Series
CantabriaTM
The spacious Cantabria™ large hot tub redefines hydrotherapy. It comfortably fits 8 adults and features the UltraMassage™ lounge with the customisable UltraMasseuse™ System. This jetting system will make you feel like royalty as you create your personal spa experience with six different jet sequences and three speeds.
This hot tub comes in a variety of colour combinations. See colours below
Seats 8 Adults | 274 x 231 x 97 cm | 74 jets
Click here for Price
NiagaraTM
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.
This hot tub comes in a variety of colour combinations. See colours below
Seats 7 Adults | 226 x 226 x 97 cm | 52 jets
Niagara Spa: Caldera Utopia hot tub from Relax Essex
£12,995.00 – £13,695.00
Niagara Spa
The Caldera Niagara hot tub comfortably seats seven adults, making it the ideal choice for accommodating friends and family. With 2 EcstaSeats, the Niagara is a versatile, powerful and exceptional performer within the Utopia range.
Tech Specs
SEATING CAPACITY | 7 Adults |
---|---|
DIMENSIONS | 226 x 226 x 97 cm |
WATER CAPACITY | 1,525 litres |
DRY WEIGHT | 450 kg |
FILLED WEIGHT* | 2,535 kg* |
JET COUNT | 52 Total Jets |
JETS | 38 Euro, 4 VersaSsage™, 2 AdaptaFlo™, 4 Euro-Pulse™, 2 OrbiSsage™, 2 Euphoria™ |
ULTRAMASSEUSE™ SYSTEM | N/A |
---|---|
JET PUMPS | 2 ReliaFlo™ Pumps; 1 Dual-Speed 2.5 HP (5.2BHP) & 1 Single-Speed 2.5HP (5.2 BHP) |
CONTROL SYSTEM | Advent™ LCD Touchscreen with Auxilary control pad |
CIRCULATION PUMP | EnergyPro™ Circulation Pump |
HEATER OUTPUT | EnergyPro™ Heater (3,000 Watts) |
ELECTRICAL REQUIREMENTS*** | 230V/16 & 25 amp |
FILTER SIZE | 9.5 m² |
FROG WATER CARE SYSTEM | Spa Frog™**** Cartridge Ready |
MONARCH CD OZONE SYSTEM | Standard |
WATER FEATURE | 1 Acquarella™ Waterfall w/LED lighting |
LIGHTING SYSTEM | SpaGlo™ Multi-Zone Lighting including 12 Points-of-Interior Lights and 4 Corner Exterior Lights |
BRANDING | Diagnostic Logo Light mounted in Spacer (between shell and cabinet) |
BOTTOM SEAL | Base Pan |
SPA SHELL OPTIONS | Arctic White, White Pearl, Platinum, Tuscan Sun, Midnight Canyon |
CABINET TYPE | Avante™ Cabinet |
CABINET & STEP COLOURS | Slate, Brownstone, Sand |
COVER LIFTER (OPTIONAL) | ProLift II, ProLift III, or ProLift IV |
COVER COLOURS | Chocolate, Slate, Taupe |
COVER DESIGN | Curved front skirt |
OPTIONAL ENTERTAINMENT SYSTEM | Wireless sound system with Bluetooth® technology, Wireless TV (optional) |
STEP TYPE | Avante™ Step |
*Filled weight includes the weight of the occupants assuming an average weight of 80 kg.
** Brake Horsepower (BHP) is the horsepower a pump motor achieves for a brief period upon start-up.
TahitianTM
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.
This hot tub comes in a variety of colour combinations. See colours below
Seats 6 adults | 213 x 213 x 91 cm | 48 jets
Tahitian Spa: Caldera Utopia hot tub from Relax Essex
£12,495.00 – £13,295.00
Tahitian Spa TM
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.
Tech Specs
SEATING CAPACITY | 6 adults |
---|---|
DIMENSIONS | 213 x 213 x 91 cm |
WATER CAPACITY | 1,425 litres |
DRY WEIGHT | 410 kg |
FILLED WEIGHT* | 2,315 kg |
JET COUNT | 48 Total Jets |
JETS | 36 Euro, 4 VersaSsage™, 2 AdaptaSsage™, 2 AdaptaFlo™, 2 OrbiSsage™, 2 Euphoria™ |
ADDITIONAL SPECS
ULTRAMASSEUSE™ SYSTEM | N/A |
---|---|
JET PUMPS | 2 ReliaFlo™ Pumps 1 Dual-Speed 2.5 HP (5.2 HP BHP**) & 1 Single-Speed 2.5 HP (5.2 BHP**) |
CONTROL SYSTEM | Advent™ LCD Touchscreen with Auxilary control pad |
CIRCULATION PUMP | EnergyPro™ Circulation Pump |
HEATER OUTPUT | EnergyPro™ Heater (3,000 Watts) |
ELECTRICAL REQUIREMENTS*** | 230V/16 & 25 amp |
FILTER SIZE | 9.5 m² |
FROG WATER CARE SYSTEM | Spa Frog™**** Cartridge Ready |
MONARCH CD OZONE SYSTEM | Standard |
WATER FEATURE | 1 Acquarella™ Waterfall w/LED lighting |
LIGHTING SYSTEM | SpaGlo™ Multi-Zone Lighting including 10 Points-of-Interior Lights and 4 Corner Exterior Lights |
BRANDING | Diagnostic Logo Light mounted in Spacer (between shell and cabinet) |
BOTTOM SEAL | Base Pan |
SPA SHELL OPTIONS | Arctic White, Midnight Canyon, Platinum, Tuscan Sun, White Pearl |
CABINET TYPE | Avante™ Cabinet |
CABINET & STEP COLOURS | Slate, Sand, Brownstone |
COVER LIFTER (OPTIONAL) | ProLift™ II, ProLift™ III, or ProLift™ IV |
COVER COLOURS | Chocolate, Slate, Taupe |
COVER DESIGN | Curved front skirt |
OPTIONAL ENTERTAINMENT SYSTEM | Wireless sound system with Bluetooth® technology, Wireless TV (optional) |
STEP TYPE | Avante™ Step |
*Filled weight includes the weight of the occupants assuming an average weight of 80 kg.
** Brake Horsepower (BHP) is the horsepower a pump motor achieves for a brief period upon start-up.
FlorenceTM
The thoughtful open seat design of this spa, that is a little over 2m and 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.
This hot tub comes in a variety of colour combinations. See colours below
Seats 6 Adults | 213 x 213 x 91 cm | 46 jets
Florence Spa: Caldera Utopia hot tub from Relax Essex
£12,495.00 – £13,195.00
Florence Spa TM
The thoughtful open seat design of this spa, that is a little over 2m and 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.
FreshWater™ Salt System
Every Utopia and Paradise Series spa is ready to use with our simple and intuitive FreshWater™ Salt System that generates chlorine from salt, keeping water clean and fresh up to three times longer than any other system.
Avante™ Cabinetry
Our Utopia Series spas feature the beautiful and multi-dimensional AvanteTM all-climate cabinetry, a durable material that will withstand harsh weather elements. Available in Sand, Slate and Brownstone.
Advent™ LCD
Your daily hydrotherapy experience is easily managed with our intuitive Advent™ control panel which gives you complete control over water temperature, jet systems and ambient lighting effects.
Tech Specs
SEATING CAPACITY | 6 Adults |
---|---|
DIMENSIONS | 213 x 213 x 91 cm |
WATER CAPACITY | 1,362 litres |
DRY WEIGHT | 396 kg |
FILLED WEIGHT* | 2,235 kg |
JET COUNT | 46 Total Jets |
JETS | 32 Euro, 4 VersaSsage™, 4 AdaptaSsage™, 2 Euro-Pulse™, 2 OrbiSsage™, 2 Euphoria™ |
ADDITIONAL SPECS
ULTRAMASSEUSE™ SYSTEM | / |
---|---|
JET PUMPS | 2.5 HP Single-Speed Pump, 2.5 HP Dual-Speed Pump |
CONTROL SYSTEM | Advent™ LCD Touchscreen with Auxiliary Control Pad |
CIRCULATION PUMP | EnergyPro™ Circulation Pump |
HEATER OUTPUT | EnergyPro™ Heater (3,000 Watts) |
ELECTRICAL REQUIREMENTS*** | 230V/50 amp |
FILTER SIZE | 9 m² |
FROG WATER CARE SYSTEM | Spa Frog Cartridge Ready |
MONARCH CD OZONE SYSTEM | Monarch™ CD Ozone (Included) |
WATER FEATURE | (1) Acquarella™ Waterfall with LED lighting |
LIGHTING SYSTEM | SpaGlo™ Multi-zone LED Lighting with 10 Points-of-Interior Lights & 4 Corner Exterior Lights |
BRANDING | Large acrylic logo plate with On/Ready indicator light |
BOTTOM SEAL | ABS Base Pan |
SPA SHELL OPTIONS | Arctic White, Midnight Canyon, Pearl, Platinum, Tuscan Sun |
CABINET TYPE | Avante™ Step in Brownstone, Slate, & Sand |
CABINET & STEP COLOURS | Brownstone, Slate, Sand |
COVER LIFTER (OPTIONAL) | ProLift™ II, ProLift™ III or ProLift™ IV |
COVER COLOURS | Slate, Chocolat, Taupe |
COVER DESIGN | Curved front skirt |
OPTIONAL ENTERTAINMENT SYSTEM | (Optional) Wireless Bluetooth® Soundsystem, Subwoofer, Wireless TV |
STEP TYPE | (Optional) Avante™ Step in Brownstone, Slate, & Sand |
*Filled weight includes the weight of the occupants assuming an average weight of 80 kg.
** Brake Horsepower (BHP) is the horsepower a pump motor achieves for a brief period upon start-up.
ProvenceTM
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.
This hot tub comes in a variety of colour combinations. See colours below
Seats 4 Adults | 198 x 213 x 89 cm | 43 jets
Provence Spa: Caldera Utopia hot tub from Relax Essex
£11,995.00 – £12,695.00
Provence Spa TM
The Provence Spa 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.
FreshWater™ Salt System
Every Utopia and Paradise Series spa is ready to use with our simple and intuitive FreshWater™ Salt System that generates chlorine from salt, keeping water clean and fresh up to three times longer than any other system.
Avante™ Cabinetry
Our Utopia Series spas feature the beautiful and multi-dimensional AvanteTM all-climate cabinetry, a durable material that will withstand harsh weather elements. Available in Sand, Slate and Brownstone.
Advent™ LCD
Your daily hydrotherapy experience is easily managed with our intuitive Advent™ control panel which gives you complete control over water temperature, jet systems and ambient lighting effects.
Tech Specs
SEATING CAPACITY | 6 Adults |
---|---|
DIMENSIONS | 213 x 213 x 91 cm |
WATER CAPACITY | 1,362 litres |
DRY WEIGHT | 396 kg |
FILLED WEIGHT* | 2,235 kg |
JET COUNT | 46 Total Jets |
JETS | 32 Euro, 4 VersaSsage™, 4 AdaptaSsage™, 2 Euro-Pulse™, 2 OrbiSsage™, 2 Euphoria™ |
ADDITIONAL SPECS
ULTRAMASSEUSE™ SYSTEM | / |
---|---|
JET PUMPS | 2.5 HP Single-Speed Pump, 2.5 HP Dual-Speed Pump |
CONTROL SYSTEM | Advent™ LCD Touchscreen with Auxiliary Control Pad |
CIRCULATION PUMP | EnergyPro™ Circulation Pump |
HEATER OUTPUT | EnergyPro™ Heater (3,000 Watts) |
ELECTRICAL REQUIREMENTS*** | 230V/50 amp |
FILTER SIZE | 9 m² |
FROG WATER CARE SYSTEM | Spa Frog Cartridge Ready |
MONARCH CD OZONE SYSTEM | Monarch™ CD Ozone (Included) |
WATER FEATURE | (1) Acquarella™ Waterfall with LED lighting |
LIGHTING SYSTEM | SpaGlo™ Multi-zone LED Lighting with 10 Points-of-Interior Lights & 4 Corner Exterior Lights |
BRANDING | Large acrylic logo plate with On/Ready indicator light |
BOTTOM SEAL | ABS Base Pan |
SPA SHELL OPTIONS | Arctic White, Midnight Canyon, Pearl, Platinum, Tuscan Sun |
CABINET TYPE | Avante™ Step in Brownstone, Slate, & Sand |
CABINET & STEP COLOURS | Brownstone, Slate, Sand |
COVER LIFTER (OPTIONAL) | ProLift™ II, ProLift™ III or ProLift™ IV |
COVER COLOURS | Slate, Chocolat, Taupe |
COVER DESIGN | Curved front skirt |
OPTIONAL ENTERTAINMENT SYSTEM | (Optional) Wireless Bluetooth® Soundsystem, Subwoofer, Wireless TV |
STEP TYPE | (Optional) Avante™ Step in Brownstone, Slate, & Sand |
*Filled weight includes the weight of the occupants assuming an average weight of 80 kg.
** Brake Horsepower (BHP) is the horsepower a pump motor achieves for a brief period upon start-up.
































Design Features
Entertainment Options
Wireless audio system with extended range Bluetooth® technology (except Celio™and Aventine™)
FiberCor®
A revolutionary innovation in spa insulation.
Automatic Heat & Filtration
Always hot and ready spa water with an automatic heating and filtration system.
The Foot Ridge
The Foot Ridge™ support provides a convenient anchor point.
Caldera Spas
At Caldera, we do more than sell hot tubs. We design and carefully construct a product with extraordinary benefits.
1. UltraMassage™
2. Atlas Neck Massage™
3. EcstaSeat™
4. LumbarSsage™ Seat
5. Euphoria™ Jets
6. Hip Jets
7. Angled Calf Jets
8. Sole Soothers™
9. Foot Ridge™


















Design Features
Entertainment Options
Wireless audio system with extended range Bluetooth® technology (except Celio™and Aventine™)
FiberCor®
A revolutionary innovation in spa insulation.
Automatic Heat & Filtration
Always hot and ready spa water with an automatic heating and filtration system.
The Foot Ridge
The Foot Ridge™ support provides a convenient anchor point.
Caldera Spas
At Caldera, we do more than sell hot tubs. We design and carefully construct a product with extraordinary benefits.
Redesigned seat geometry enhances comfort and provides superior ease-of-use.
The FreshWater Salt System keeps water clean and fresh for up to a year.
Two Euphoria Jets in the footwell can work independently or simultaneously to deliver the ultimate foot massage.
The Avante™ steps are two-tiered to match the Avante all-climate cabinet in our UtopiaTM models.
The existing SpaGlo zone lighting is now enhanced with an interior LED Points-of-Light multi-color system for even more dramatic impact.
Deeper foot ridges in the lounge seat provide more area for enchanting feet and to better enjoy the effects of the back jets.
Speaker grill surface mounts are built into the shell and contoured pillows provide comfortable next support.
The elegant new jet face design incorporates a textured diamond pattern accented by stainless steel trim for a contemporary look.