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Seats 7 Adults

7’5″ x 7’5″ x 36″

52 Jets

FreshWater™ Salt System

Or Call Us: (317) 773-3545


When you’re ready to take your hydrotherapy massage to the next level, the Niagara is a great choice. This spacious luxury spa in the Utopia lineup has comfortable bench style seats. With room for up to 7 people, the Niagara measures 7’5″ x 7’5″ x 36″ and is perfect for entertaining. This spa has 2 powerful pumps and 52 hydrotherapy jets. The jets include 2 Atlas® Neck Massage, 38 Euro jets, 4 VersaSage® jets, 2 AdaptaFlo® jets, 4 Euro-Pulse® jets, 2 OrbiSsage® jets, and 2 Euphoria® jets.

The Niagara spa comes ready to use with Caldera’s FreshWater Salt System. This innovative water care system has continued to gain popularity because it is simple to use and highly effective. The FreshWater Salt System uses disposable titanium cartridges that create chlorine from salt and then release it into the water. This keeps your hot tub’s water clean and ready to use for up to a year, which translates into less work maintaining your spa and more time enjoying it!

If you love attention to detail (and who doesn’t?), you’re sure to love the Niagara. The intuitive Advent touchscreen control makes it incredibly easy to maintain complete control over your hydrotherapy experience. The beautifully textured cabinet with backlit edging surrounds powerful pumps that make the Niagara a truly incredible spa. The EcoTech® Plus cabinet is available in a range of colors to fit your aesthetic. Then, choose the perfect complement to your spa cabinet with a variety of beautiful shell colors.


Seating Capacity

7 Person

Caldera Spas Series

Utopia Series

Seating Style

Bench Seating


Caldera Spas

Hot Tub Size



7'5" x 7'5" x 38" / 226cm x 226cm x 97cm

Water Capacity

400 gallons / 1525 liters

Weight (dry)

995 lbs. / 450 kg

Weight (filled)

5555 lbs. / 2535 kg

Jet Count

52 Total Jets


2 Atlas® Neck Massage, 38 Euro jets, 4 VersaSage® jets, 2 AdaptaFlo® jets, 4 Euro-Pulse® jets, 2 OrbiSsage® jets and 2 Euphoria® jets

Water Care Systems

FreshWater® Salt System Ready

Ultramasseuse System


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 Control with Auxiliary panel

Circulation Pump

EnergyPro® Circulation Pump

Heater Output

EnergyPro® Titanium Heater (4,000 Watts)

Electrical Requirements

230v/50 amp

Gfci Sub-panel

GFCI Sub-panel (50 amp) included

Filter Size

100 sq. ft. filter

Ozone System

(Optional) Corona Discharge Ozone

Water Feature

1 Acquarella® Waterfall with LED lighting

Multi-color LED Lighting

SpaGlo® Multi-Zone LED Lighting including 12 Points-of-Interior Lights and 4 Corner Exterior Lights

Energy Efficiency

Fully-insulated with FiberCor® material, 2 lb. density, CEC-compliant


Large acrylic logo plate with On/Ready indicator light

Bottom Seal

ABS Base Pan

Insulating Cover

3.5" to 2.5" tapered, 2 lb.-density foam core

Spa Shell Options

White Pearl, Platinum, Tuscan Sun, Arctic White, Midnight Canyon

Cabinet Type

EcoTech® Plus

Cabinet and Step Colors

Java, Ash, or Parchment

Cover Lifter

(Optional) ProLift® II, ProLift® III, or ProLift® IV

Cover Colors

Chocolate, Slate, Taupe

Cover Design

Curved front skirt


(Optional) 8 – 1” square

Entertainment System

(Optional) Wireless Audio System with Extended Range BlueTooth® Technology; Subwoofer; 22” HD Wireless Monitor (each sold separately)

Step Type

(Optional) Avante™ Step in Brownstone, Slate, & Sand

Cool Zone


Color Options

Caldera Owner's Manuals

Caldera makes it easy to access the owner’s manuals for your Caldera Spas hot tub. Find owner's manuals for current and past models. Download manuals in PDF form on the Caldera website.