The Aventine® hot tub has been specially-designed for small spaces and fits exceptionally well in a corner. So tuck it away and enjoy a wonderful hydromassage experience in this portable 2 person hot tub.
Therapeutic Benefits at the Greatest Value
Aquatic Melodies®
Integrated MP3 sound system for sweet sounds
Automated Heat & Filtration
Spa water is always hot and always ready for dips
Thoughtful Design
Designed and carefully constructed with extraordinary benefits
The Foot Ridge®
The Foot Ridge® support provides a convenient anchor point.
FiberCor® Insulation
A revolutionary innovation in spa insulation. The first of its kind.

FreshWater® Salt System Ready
This easy-to-use system eliminates the worry of keeping water clean, clear, and sanitized for a full year. With just a little salt in your spa water, the system generates chlorine automatically and keeps water feeling soft without harsh chemical odor. Spa ownership is easier than ever!
Entertainment System to Beat the Band
Vacanza hot tub series offer Caldera’s Aquatic Melodies entertainment system.
- Four integrated speakers
- Wireless audio with extended Bluetooth®
- 22″ HD wireless monitor
- Relax like a pro!


First of Its Kind Insulation
Caldera Spas® FiberCor® insulation is reliable year-round and easy to maintain and repair. Made of thick foam, FiberCor prevents heat loss thereby reducing the energy needed to maintain water temperature.

Top 5 Hot Tub Buying Mistakes & How to Avoid Them
Hot tubs are an investment in your health, happiness, and recreation. Coming from the experts, there is a lot to know about hot tubs. Look at our guide to learn what it is that you should avoid when considering a hot tub!
Product Specifications
2 Adults
5’4″ x 5’4″ x 29″ / 162cm x
162cm x 74cm
150 gallons / 575 liters
500 lbs. / 225 kg
2,100 lbs.* / 960 kg
14
6 Euro, 6 AdaptaFlo®,
2 Euro-Pulse®
FreshWater® Salt Water System
N/A
1 ReliaFlo® Dual-Speed 1.5 HP (3.2 BHP) Pump
LCD Main CP
None
Hi-Flow Heater (1,000/4,000 Watts)
115V/230V / 30 or 50 amp
N/A
35 sq. ft.
Available option
N/A
Blue LED Underwater Light
(Optional Mystique System)
Fully-insulated with FiberCor® material, 2 lb. density; Certified to the California Energy Commission (CEC) in accordance with California law
N/A
Visquene Sheet
3.5″ to 2.5″ tapered, 1.5 lb.-density foam core
EcoTech® Cabinet
Ash, Java, Parchment
No Cover Lifter Available
Chocolate, Slate, Taupe
N/A
N/A
EcoTech® or Polymer
Optional
N/A
Want More? Consider These Tubs


Caldera Vacanza-Series Celio
Great value! Seats 3, 115v/20 amp, 18 powerful jets, and multi-colored lights.


Caldera Vacanza-Series Marino
Six adults fit comfortably in the Marino, a popular Vacanza® Series spa with 35 hydromassage jets and a surprising range of features that make caring for and enjoying your hot tub a simple pleasure.


Caldera Vacanza-Series Palatino
The Palatino spa seats 6 adults, features the Acquarella® spa waterfall, and has 45 powerful hydromassage jets.