2 Person Hot Tub | Aventine Spa | Caldera Spas


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Vacanza Aventine
Column A
360 View
2 Adults
5'4" x 5'4" x 29"
14 Jets
Column B


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.

"Our Caldera Spa is not only extremely dependable it is also amazingly easy to maintain and care for. This is a quality product with a capital Q."

—KC, San Diego, CA























































Rated 4.8 out of 5 by 41 reviewers.





























Rated 5 out of 5 by My little bit of paradise I purchased my Aventine SPA in April 2015 and my experience is wonderful so far. I rated EASE of WATER CARE as good because I had a some difficulty in understanding the water treatment process. I named my SPA "my little bit of paradise" because at the end of my work day I find transquility and relaxation in my SPA. The SPA is small yet very spacious for two adults both over 5'8'' and the jets are very powerful. I highly recommend this spa to anyone looking for a two-person spa. July 20, 2015
























































Rated 5 out of 5 by Finally got my wish I have wanted a hot tub for as long as I can remember...and finally got my wish. I have used it several times a week to relieve arthritis in my knee, which has helped tremendously, especially after a workout on the treadmill. I would encourage customers to invest into the little bit of luxury! I have had excellent customer relations with Caldera Spa and the Company were I've purchased my spa. Go for it!!! February 11, 2016
























































Rated 5 out of 5 by Tubbie This tub runs more than I want it to. Filter 1 setting for 30 minutes and it runs for 30 minutes sometimes every 2 hours, not calling for more heat either. I have e-mailed my dealer with no reply yet. Other than that, the tub is everything I wanted it to be. I use it every night. October 14, 2015
























































Rated 5 out of 5 by Aventine Spa We were looking for a two person spa that would fit in a limited space. We were also looking for quality and affordability. The Aventine fit all of our requirements. The smaller spa makes for a quick water change out at the prescribed intervals. As far as comfort, this thing works wonders after a long day on your feet. July 14, 2015
























































Rated 5 out of 5 by Still Happy After Five Years Perfect fit for a corner on my deck. I'm happy with my purchase and have no regrets. July 13, 2015
























































Rated 5 out of 5 by I love it! I've had this spa for 5 years now. Easy to maintain, has never leaked and never needed any service call. The Spa Frog screw cap is hard to open sometimes, but I got a C-clamp to open it (after pushing the cap down). I installed it upstairs (engineer-approved), and I wasn't aware that when the heater comes on, it's a little noisy in the living room downstairs, but I'm getting used to it and also program it to come on at a more appropriate time for that matter. July 13, 2015
























































Rated 5 out of 5 by Aventine (Life Saver) At 71 years young this spa is a life saver. I get in it right after I wake up each morning and it loosens up my aching muscles and joints so I can go out and shoot a money winning round of golf. I only play 6 days a week so the whole process keeps me young. The care and maintenance of it is a breeze..I change the 150 gallons once a month and it only cost about 20 to 25 dollars on my monthly electric bill. I can't imagine life without it. July 13, 2015
























































Rated 5 out of 5 by Perfect for small spaces! I love my Caldera Spa! I've had it 2 years now. I replaced the pump once, as it is used daily here, even in summer. I have poor joints and this spa has been a literal lifesaver. I am about to replace my cover, as it needs to be replaced due to the harsh Texas sun. One cover, and one pump. In 2 years that is all it has required. My spa is my 15 minute daily getaway from the hustle of daily life. It is compact, perfect for 2 people and fits nicely on my back porch. I have a small yard and a spa that would fit was needed. The Aventide is it! July 7, 2015




























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Tech Specs
Seating Capacity (adults)
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
Hydromassage Jets
6 Euro, 6 AdaptaFlo®, 2 Euro-Pulse®
UltraMasseuse System
Jet Pumps
1 ReliaFlo® Dual-Speed 1.5 HP (3.2 BHP) Pump
Control System
Circulation Pump:
Heater Output
Hi-Flow Heater (1,000/4,000 Watts)
Electrical Requirements
115V/230V / 30 or 50 amp
GFCI Sub-Panel
Filter Size
35 sq. ft.
FROG Water Care System
Spa Frog Cartridge Ready
Monarch CD Ozone System
Available option
Water Feature
Caldera Entertainment Options
Mulit-color LED Lighting
Blue LED Underwater Light (Optional Mystique System)
Energy Efficiency
Fully-insulated with FiberCor® material, 2 lb. density; Certified to the California Energy Commission (CEC) in accordance with California law
Bottom Seal
Visquene Sheet
Insulating Cover
3.5" to 2.5" tapered, 1.5 lb.-density foam core
Spa Shell Options
Desert, Sterling Marble
Cabinet Type
EcoTech® Cabinet
Cabinet Options
Espresso, Coastal Gray, Teak
Cover Lifter (Optional)
No Cover Lifter Available
Cover Colors
Chestnut, Ash, Caramel
Steps (Optional)
EcoTech® or Polymer
  • *Filled weight includes the weight of the occupants assuming an average weight of 175 lbs.
  • **Brake Horsepower (BHP) is the horsepower a pump motor achieves for a brief period upon start-up.