This advanced system uses a disposable titanium cartridge to convert salt into chlorine, keeping spa water fresh, clear, and naturally balanced.
Aventine®
CUSTOMIZE YOUR SPA COLORS
Cabinets
parchment
ash
java
Shells
Arctic White

Desert
Description
The Caldera Aventine® is designed for two adults and fits neatly into corners or compact outdoor spaces. Equipped with 14 precisely placed jets that target the neck, back and shoulders, it delivers an efficient, high‑quality massage experience. The spa is FreshWater® Salt System ready for low‑maintenance, clean water, while its EcoTech® cabinet, stainless‑steel accents and ambient LED lighting lend a refined, modern aesthetic. Ideal for couples or cozy retreats, the Aventine® combines exceptional performance with a footprint crafted for intimate spaces.
- Seating: 2 Adults
- Dimensions: 5'4" x 5'4" x 29"
- Jets: 14
- Water Care: FreshWater® Salt System Ready
Features That Transform
Save Energy, Save Money
Every detail of your spa is designed for maximum efficiency. From the insulation and heater to the circulation pump and custom-fit spa cover, each component works in harmony to maintain your water’s warmth while keeping your energy costs low.
Ecotech® Plus Cabinet
Available in three modern color options with carefully selected wood grain and metallic accents, allowing seamless coordination of your spa with your home or patio.
Foot Ridge®
The ergonomic design keeps you comfortably anchored as powerful jets ease sore, tired muscles.
Hot Tub Essentials
Covers
Each spa includes a precision-crafted WeatherPro® cover designed specifically for your model. The snug fit ensures maximum heat retention and superior energy efficiency. Built for durability, every cover meets UL and ASTM safety standards and comes equipped with child safety locks for added peace of mind.
Cover Lifters
A cover lifter is the ideal companion for your spa, making it easy to remove and replace the cover on your own. This simple tool helps extend the life of your spa and cover while ensuring quick, effortless access—so you can relax in moments.
Steps
Color-coordinated steps provide both safety and convenience, helping you enter and exit your spa comfortably while matching your spa’s design perfectly.
Best Seat in the House
UltraMassage® Seat
Jets at the neck, shoulders, and mid-back provide soothing relief, while wrist jets target often-overlooked muscles.
Lumbarssage® Seat
A specialized jet arrangement eases tension in the lumbar region.
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Specifications
- Seating Capacity: 2 Adults
- Dimensions: 5’4″ x 5’4″ x 29″ / 162cm x 162cm x 74cm
- Water Capacity: 150 gallons / 575 liters
- Weight (Dry): 500 lbs. / 225 kg
- Weight (Filled): 2,100 lbs.* / 960 kg
- Jet Count: 14 Total Jets
- Branding: Branding Decal on cabinet
- Bottom Seal: Visquene Sheet
- Insulating Cover: WeatherPro™ 4″ Tapered Core with Hinge Seal
- Spa Shell Options: Desert, Arctic White
- Cabinet Type: EcoTech® Cabinet
- Cabinet & Step Colors: Ash, Java, Parchment
- Cover Lifter: No Cover Lifter Available
- Cover Colors: Storm, Chestnut, Black
- Cover Design: N/A
- Caldera Entertainment Options: N/A
- Step Type: (Optional) Vacanza® Series Steps or Polymer Steps
- Cool Zone: N/A
- Smart Spa Technology: N/A
- Jets: 8 Euro Directional, 6 AdaptaFlo®
- Water Care Systems: FreshWater® Salt System Ready
- Ultramasseuse System: N/A
- Jet Pumps: 1 ReliaFlo® Dual-Speed 1.5 HP (3.2 BHP) Pump
- Control System: LCD Main CP
- Circulation Pump: EnergyPro® for quiet continuous filtration
- Heater Output: EnergyPro® Heater (1,000/4,000 Watts)
- Electrical Requirements: 115V / 20 amp or 230V / 50 amp
- GFCI Sub-panel: GFCI Power Cord
- Filter Size: 35 sq. ft.
- Ozone System: (Optional) Ozone
- Water Feature: N/A
- Multi-color LED Lighting: Mystique Underwater Light
- Energy Efficiency: Fully-insulated with FiberCor® material, 2 lb. density; Certified to the California Energy Commission (CEC) in accordance with California law
Your Massage Your Way
Hot Tub Circuit Therapy
Move through two therapeutic stations in the Aventine, each designed to massage muscles in the neck and back.