Caldera Tahitian 6 Person Hot Tub
Caldera Tahitian 6 Person Hot Tub
Overview
The Tahitian® hot tub is hailed as “just right”, ideal for parties or enhancing workouts. Unwind in comfort, enjoying its many features every day.
Quick Specs
- Total Seats: 6
- Lounge Seat: No
- Dimensions: 7’ x 7’ x 36” / 213cm x 213cm x 91cm
- Water Care System: FreshWater® IQ Ready Salt + Smart Monitoring Included | Dosing Optional
- Voltage: 230V / 50 amp
- Water Capacity: 375 gal. | 1,425 L
- Dry Weight: 900 lbs. | 410 kg.
- Filled Weight*: 5,080 lbs. | 2,315 kg.
Massage
- Jet Count: 48
-
Jet Types
- 1 - Atlas® Neck Massage
-
36 - Euro
- 4 - VersaSage®
- 2 - AdaptaSsage®
- 2 - AdaptaFlo®
- 2 - OrbiSsage®
- 2 - Euphoria®
-
Ultramasseuse System: No
-
Jet Pump(s)
- 2 - ReliaFlo® Pumps; 1 Dual-Speed 2.5 HP (5.2BHP) & 1 Single-Speed 2.5HP (5.2 BHP)
Energy Efficiency
- Heater Output: EnergyPro® Heater (4,000 Watts)
- Circulation Pump: EnergyPro® Circulation Pump
- 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. Not compatible with the FreshWater IQ System.
- Energy Efficiency: Fully-insulated with FiberCor® material, 2 lb. density, CEC-compliant
Intuitive Control
- Control System: Advent® LCD Touchscreen Control with Auxiliary panel
Design
- Water Feature: 1 Acquarella® Waterfall with LED lighting
- Multi-color Led Lighting: SpaGlo® Multi-Zone LED Lighting including 7 Points-of-Interior Lights & Exterior Light Bar
- Branding: Large acrylic logo plate with On/Ready indicator light
- Bottom Seal: ABS Base Pan
- Insulating Cover: WeatherPro™ 4” tapered custom fit with hinge seal
- Spa Shell Options: White Pearl | Platinum | Tuscan Sun | Arctic White | Midnight Canyon
- Cabinet Type: EcoTech® Plus
- Cabinet & Step Colors: Java | Ash | Parchment
- Cover Colors: Storm | Chestnut | Black
Accessories
- Speakers: (Optional) 6 – 1” square
- Entertainment System: (Optional) Wireless Audio System; Subwoofer; 22” HD Wireless Monitor (each sold separately)
- Smart Spa Technology: (Optional) Caldera Spas App, Powered by the Connected Spa Kit
- Cover Lifter: ProLift® II | ProLift® III | ProLift® IV
- Step Type: Utopia® Step in Java, Ash & Parchment
Owner's Manual
Brand
Caldera®
- No Leak Shell: 10 Years
- Shell Surface: 7 Years
- No Leak Plumbing: 5 Years
- Components: 5 Years
- EnergyPro Heater: 5 Years
- EcoTech Plus Cabinet: 5 Years
- UltraMasseuse System: 3 Years
- LED Lighting System: 2 Years
- Sound System: 1 Year
Important
Actual shell and cabinet colors may differ from on-screen representation. Please see your local dealer to verify.
Distinctive Features

FreshWater® IQ System
Smart alerts, built-in dosing and step-by-step guidance make FreshWater IQ the easiest way to keep your spa water fresh, clean, and ready to enjoy.

Hot Tub Circuit Therapy®
Each Utopia model has up to eight Hot Tub Circuit Therapy® stations. Rotate through the circuit for a full body massage or just concentrate on the areas that need the most attention. Experience transformation in just 20 minutes.

Energy Efficiency
In addition to the energy saving features built into every Caldera spa, the Utopia series features a thermal isolated base pan that beautifully frames the bottom of the spa while minimizing ground contact and improving energy efficiency.

Touchscreen Controls
Easily adjust jets, lighting, optional wireless sound system, and optional FreshWater Salt System with the intuitive Advent® touchscreen control panel. Each Utopia model also features an auxiliary control panel, so you can adjust jets and lights from a secondary location within the spa.

Lighting
Create a special ambiance with the adjustable SpaGlo® lighting system that accents individual zones throughout the spa, such as bar top, footwell, waterfall, and exterior front panel.

Seats & Jets
Take a seat. You’ll immediately feel the Caldera difference, thanks to the unique, body-hugging contours and ergonomically designed configurations. Utopia Series spas take jet massage to a new level with added hip, wrist, and neck jets for a full body experience.
Caldera Utopia Series FAQs
What is the Caldera Spas Utopia® Series?
The Caldera Spas Utopia® Series is Caldera’s premium hot tub series, designed for high-end comfort, advanced hydrotherapy, modern styling, and simplified water care. Utopia models feature architecturally inspired cabinetry, touchscreen controls, full-body jet therapy, and FreshWater® IQ Salt and Smart Monitoring Systems included.
Which hot tubs are in the Utopia® Series?
The Utopia® Series currently includes six models: Cantabria®, Geneva®, Niagara®, Tahitian®, Florence®, and Ravello™. Seating ranges from a compact 3-person spa to an 8-person model, depending on the model.
How many people can fit in a Caldera Utopia® hot tub?
Utopia® Series spas seat between 3 and 8 adults. The Ravello™ seats 3, Florence®, Tahitian®, and Geneva® seat 6, Niagara® seats 7, and Cantabria® seats 8.
What makes the Utopia® Series different from other Caldera hot tubs?
The Utopia® Series is designed as Caldera’s top-tier spa collection. It offers premium hydrotherapy, Hot Tub Circuit Therapy®, FreshWater® IQ water care, Advent® touchscreen controls, SpaGlo® lighting, EcoTech® Plus cabinetry, and advanced energy-saving features.
Does the Utopia® Series include salt water care?
Yes. Every Utopia® Series spa includes FreshWater® IQ Salt and Smart Monitoring Systems, with optional precision dosing available for even easier water care.
What is FreshWater® IQ?
FreshWater® IQ is Caldera’s smart water care system. It provides smart alerts, step-by-step guidance, and built-in dosing support to help keep spa water fresh, clean, and ready to use with less guesswork.
What is Hot Tub Circuit Therapy®?
Hot Tub Circuit Therapy® is a hydrotherapy experience available in Utopia® models. Each model includes up to eight therapy stations, allowing users to rotate through different seats and jet patterns for a full-body massage in about 20 minutes.
Are Utopia® Series hot tubs good for hydrotherapy?
Yes. Utopia® Series spas are built for advanced hydrotherapy, with body-contoured seating and targeted jets for the neck, back, hips, wrists, calves, and feet. Caldera describes the series as offering a top-of-the-line hydrotherapy experience.
Do Utopia® Series spas have lounge seats?
Some Utopia® models include lounge-style seating, while others offer open seating layouts. The best choice depends on whether you prefer full-body reclined therapy, upright seating for conversation, or a mix of both.
What controls come with the Utopia® Series?
Utopia® Series spas include the Advent® touchscreen control panel and an auxiliary control panel, allowing users to adjust jets, lighting, and compatible optional systems from more than one location in the spa.
Do Utopia® hot tubs have lighting?
Yes. Utopia® Series models feature SpaGlo® multi-zone LED lighting, which can illuminate areas such as the bar top, footwell, waterfall, and exterior front panel.
Are entertainment options available?
Yes. Utopia® models are music-ready with integrated low-profile speakers, and they can be paired with an optional wireless sound system. Caldera also offers an optional 22-inch 1080p wireless monitor for live TV or streaming video.
Are Utopia® Series hot tubs energy efficient?
Yes. Utopia® Series spas include energy-saving features such as a thermally isolated base pan, EnergyPro® circulation pump, insulation, heater efficiency, and a fitted spa cover to help reduce heat loss and operating costs.
What cabinet colors are available?
Utopia® Series spas feature the EcoTech® Plus cabinet, available in contemporary color options such as Java, Ash, and Parchment, depending on model and availability.
Which Utopia® model is best for a small space?
The Ravello™ is the most compact Utopia® model, seating up to 3 adults. It is designed for smaller spaces while still offering premium Utopia® Series features.
Which Utopia® model is best for a large family or entertaining?
The Cantabria® is the largest Utopia® model, with seating for up to 8 adults. The Niagara® seats 7, while the Geneva®, Tahitian®, and Florence® seat 6.
What electrical service does a Utopia® hot tub need?
Utopia® Series spas are sold through authorized Caldera Spas dealers. A local dealer can provide current pricing, model availability, delivery details, installation guidance, and service support. Caldera notes that local dealers help make the ownership experience easier.
Hot Tub Safety Tips
For safety, limit hot tub sessions to about 15–30 minutes, keep the water temperature at or below 104°F, and stay hydrated before and after use. Avoid alcohol, and get out right away if you feel dizzy, lightheaded, overheated, or uncomfortable. People who are pregnant, have heart conditions, blood pressure concerns, or other medical conditions should check with a healthcare professional before using a hot tub.
Hot Tub Blog Posts
How Much Does a Hot Tub Weigh?
An empty hot tub weighs 300–1,100 pounds. Fill it with water and people, and you're looking at 3,000–6,000+ pounds — roughly the weight of a mid-size SUV. This guide breaks down dry weight vs. filled weight, includes a simple formula to calculate total operational weight, shows real-world weights from Hot Spring, Sundance, American Whirlpool, and Caldera models, and explains why these numbers matter for your foundation, deck, delivery access, indoor installations, and swim spa planning.
How do I Install a Hot Tub?
Installing a hot tub is simpler than most people expect — no plumbing, no major construction. But a little planning goes a long way. This guide covers everything you need to prepare before your spa arrives: electrical requirements (110V vs. 240V), five pad options with costs, pad sizing by hot tub size, smart placement tips that will help you use your spa more often, delivery access planning, cover lifter strategy, and what to expect on installation day.
What Are the Best Hot Tub Brands? A Buyer’s Guide to Choosing the Right Spa.
Choosing the right hot tub means more than picking a price tag. In this guide, we compare the top brands we carry — Hot Spring, Sundance, American Whirlpool, Caldera, Freeflow, and Fantasy — break down what to expect at every budget level, and explain why buying from a local dealer can save you thousands over the life of your spa.




















