- Heater: EnergyPro® 4,000 W
- Electrical: 230V / 50 amp (GFCI sub-panel included)
- Water Care: FreshWater® Salt System Ready
- Monthly Pricing: Starting at $178.86/month*
The Marino® is a six-person hot tub from the Vacanza® Series, the value-mid tier hydrotherapy line manufactured by Caldera Spas, a Watkins Wellness brand. The Marino is a six-person hot tub with 35 hydromassage jets and a surprisingly broad feature set for the Vacanza price point. Measuring 7' square and holding 360 gallons, it pairs a full-body UltraMassage® Lounge with an EcstaSeat®, a LumbarSsage® Seat, and three more upright seats, a seat layout closely mirrored on the Vanto® but tuned for a lounger-first soak. With 357 customer reviews, the Marino is the most-rated model in the Vacanza family. The Marino is sold and serviced through Seven Seas Pools & Spas.
6 adults (1 lounger, 5 seats)
7' × 7' × 36" tall (213 × 213 × 91 cm)
35 total (27 Euro, 5 AdaptaFlo®, 3 AdaptaSsage®)
2 ReliaFlo® 1.5 HP (3.2 BHP), 1 dual-speed + 1 single-speed, plus an EnergyPro® circulation pump
The Marino fits households where a full-body lounge is the priority and the rest of the family wants distinct seat options around it, couples who plan to soak together with one person stretched out, families with adult or teen children, and if you want a six-person spa without stepping into the largest 7'5" Vacanza footprint. The UltraMassage® Lounge delivers neck, shoulder, middle-back, and calf jets in one reclined position; the surrounding EcstaSeat® and LumbarSsage® Seat give upright soakers their own targeted hydrotherapy. Six adults fit comfortably for an evening of family or neighborhood soaking.
Explore the Marino with Seven Seas Pools & Spas and compare the seating, massage, and water-care features in person.
Parchment
Ash
Java
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| Spa Specification | Value |
|---|---|
| Seating capacity | 6 adults (1 lounger, 5 seats) |
| Length × Width × Height | 7' × 7' × 36" (213 × 213 × 91 cm) |
| Water capacity | 360 gallons (1,375 liters) |
| Weight (dry) | 835 lbs (380 kg) |
| Weight (filled) | 4,885 lbs (2,235 kg) |
The Marino uses two ReliaFlo® 1.5 HP (3.2 BHP) pumps, one dual-speed and one single-speed, plus an EnergyPro® circulation pump that runs continuously for low-noise filtration. The 35 jets split across three configurations:
| Jet Type | Count | Targeted Area |
|---|---|---|
| Euro | 27 | General muscle coverage across all seats and the lounge |
| AdaptaFlo® | 5 | Adjustable-flow precision jets |
| AdaptaSsage® | 3 | Adjustable-direction targeted massage |
The Marino ships FreshWater® Salt System Ready. The optional FreshWater® Salt System uses a disposable titanium cartridge to generate chlorine from salt, sustaining clean water without ongoing manual chlorine dosing. An optional Corona Discharge ozonator adds supplemental sanitation.
| Water Care Specification | Value |
|---|---|
| Standard system | FreshWater® Salt System Ready |
| Filter | 65 sq. ft. |
| Ozone | Optional Corona Discharge ozonator |
| Cover & Accessory Specification | Value |
|---|---|
| Cover | WeatherPro™ 4" tapered, custom-built, hinge seal |
| Cover colors | Storm, Chestnut, Black |
| Cover lifters (optional) | ProLift®, ProLift® II, ProLift® III, ProLift® IV |
| Steps (optional) | Vacanza® Series Steps or Polymer Steps in Java, Ash, or Parchment |
The Marino is designed around a four-station Hot Tub Circuit Therapy® loop that pairs a true full-body lounge with three back-focused upright seats. A typical circuit starts in the UltraMassage® Lounge, the soaker reclines, neck and shoulder jets engage at the top of the lounge, middle-back jets unwind the thoracic spine, and Angled Calf Jets work the lower leg simultaneously. After 8-10 minutes, the circuit moves to the EcstaSeat® for upright back work, then into the LumbarSsage® Seat to drive jet pressure into the lumbar region, the muscle group most often cited as the reason customers buy a Vacanza spa in the first place. The fourth station rotates through one of the additional Euro-jet seats, and the Foot Ridge® stabilizes the body throughout.

Because the Marino carries two pumps, the lounge and a second high-output seat can run simultaneously at full pressure, a feature shared with the Palatino® and Vanto® but absent from the single-pump Aventine®, Celio™, and Tarino™. The Acquarella® Waterfall adds ambient water sound that softens conversation between soakers.

Review the dimensions, seating layout, and water-care features with a Seven Seas advisor.
| Related Spa | Seats | Jets | Key Differentiator |
|---|---|---|---|
| Vanto® | 7 | 35 | Largest Vacanza, no lounger, group-friendly |
| Marino® (this model) | 6 | 35 | Lounger plus 5 seats, 4-station Circuit Therapy |
| Palatino® | 6 | 45 | Highest jet count, 2.5 HP pumps, Sole Soothers® |
| Tarino™ | 5 | 23 | Unique double-lounge layout |
| Celio™ | 3 | 18 | Conversation seating, 115V convertible |
| Aventine® | 2 | 14 | Smallest Vacanza, 115V convertible |
The Vacanza Series sits as the value-mid tier of the Caldera Spas lineup. From most to least premium:

Utopia® Series, premium top tier (EcoTech® Plus cabinet, Atlas® Neck Massage, FreshWater® IQ Salt with smart monitoring, SpaGlo® multi-zone LED, Advent® LCD Touchscreen)
View Utopia Series Hot Tubs
Paradise® Series, mid tier (FreshWater® Salt System Ready, EcoTech® cabinet)
View Paradise Series Hot Tubs
Vacanza® Series, value-mid tier where the Marino lives. EcoTech® cabinet, Mystique® LED interior lighting, LCD Main Control Panel
View Vacanza Series Hot Tubs
Fantasy Series, entry tier (115V plug-and-play options, FROG® sanitization, rotomolded cabinet)
View Fantasy Series Hot TubsIf you're cross-shopping Caldera against the Hot Spring brand (also distributed by Watkins Wellness), the Caldera vs Hot Spring comparison covers how the two lines split on jet technology, control systems, and water-care defaults.
The Marino is part of the lineup carried by Seven Seas Pools & Spas. Call ahead or stop by your local showroom to confirm current showroom availability. Visiting a showroom is the fastest way to compare the lounger ergonomics against the upright seats, and see the cabinet finishes on the models currently on display. Call or visit your local Seven Seas Pools & Spas location to schedule a private wet-test soak appointment with the models currently on the floor.
The Marino requires a 230V / 50 amp circuit wired to a GFCI sub-panel, the sub-panel is included with the spa. Site requirements:

Level reinforced concrete pad, deck capable of supporting 4,885 lbs filled, or a prepared spa pad
24" minimum service clearance on at least one side for equipment access
Standard delivery to ground-level installations
Seven Seas offers full delivery and installation service including site assessment, electrical coordination with a licensed electrician, and post-fill water balancing.
With the optional FreshWater® Salt System cartridge installed, week-to-week maintenance reduces to monitoring water clarity and replacing the salt cartridge approximately every four months. Filter cleaning runs on a monthly cadence, see the filter care guide for the 65 sq. ft. cartridge in the owners area.
For broader guidance, the salt-water hot tub care guide in the owners area covers cartridge replacement, ozone interaction, and seasonal draining intervals.
Both are 6-adult lounger spas. The Palatino® is bigger (7'5" square, 400 gallons), carries 45 jets, two 2.5 HP pumps, adds Sole Soothers® in the lounge, and has a higher review-driven price point. The Marino sits at 7' square, 360 gallons, 35 jets, and two 1.5 HP pumps. Choose Marino for value within the lounger configuration; choose Palatino for the strongest hydrotherapy in the Vacanza line.
FreshWater® Salt System Ready means the spa is plumbed for the optional FreshWater® Salt System cartridge, a disposable titanium element that generates chlorine from salt. Ozone is an optional Corona Discharge ozonator that adds supplemental sanitation. Owners can choose the salt system, the ozonator, or both, depending on water-care preference.
Yes, a WeatherPro™ 4" tapered, custom-built cover with a hinge seal is included. Cover lifters (ProLift®, ProLift® II/III/IV) are optional add-ons.
Caldera does not publish a single warranty page on the product page itself. Seven Seas walks every Marino buyer through the current Caldera warranty document at the time of sale. Ask for the latest warranty PDF when you visit a showroom.
Standard Marino delivery from Seven Seas runs 4-8 weeks from order, depending on current Caldera Spas production lead times and the shell color you select. Expedited inventory in stock at Seven Seas locations can ship within a week.
Yes, with proper ventilation and drainage. Indoor installations require an electrician-approved 230V / 50 amp feed, a moisture-resistant floor structure rated for 4,885 lbs, and active humidity ventilation. See indoor installation guide for full requirements.

The Marino is part of the lineup carried by Seven Seas Pools & Spas. Call ahead or stop by your local showroom to confirm current showroom availability. Visiting a showroom is the fastest way to compare the lounger ergonomics against the upright seats, and see the cabinet finishes on the models currently on display. Call or visit your local Seven Seas Pools & Spas location to schedule a private wet-test soak appointment with the models currently on the floor.
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