Lumina Cedar Ice Bath Outdoor Cold Plunge Tub – 118 Gallon

The wellness travel segment has fundamentally changed what guests expect from a premium short-term rental. A pool is standard. A hot tub is expected. A cold plunge — specifically, a purpose-built outdoor ice bath tub with a design finish that reads as intentional — is the amenity that separates the properties guests describe as "just nice" from the ones they tell everyone about.

The Lumina is built for exactly that positioning. A 304 stainless steel interior liner inside a charcoal WPC exterior with stainless steel banding and Canadian red cedar step accents — it's a material combination that looks considered and resort-caliber in listing photos without requiring the maintenance overhead of an all-wood construction. At 37.5 inches tall and 33.25 inches in diameter, it holds 118 gallons of water in a compact upright footprint designed for single-person immersion.

There is no assembly required. The Lumina ships fully assembled — unbox it, place it, fill it, and it's guest-ready. For STR hosts managing tight turnaround windows or remote properties, that operational simplicity is not a minor detail. It's the difference between an amenity that's ready when guests arrive and one that isn't.

A chiller hook-up connection is built into the unit for hosts who want to connect an external chiller for consistent temperature control. The insulated PU leather cover maintains water temperature and cleanliness between sessions without active cooling. Cold plunge therapy requires no electricity, no chemical dosing system, and no ongoing mechanical maintenance — just cold water, an insulated cover, and guests who are ready to experience it.

A Purpose-Built Outdoor Cold Plunge Tub That Ships Ready to Use

The Lumina is not a repurposed stock tank or an acrylic shell pressed into cold plunge service. Every component — interior material, exterior finish, cover, steps — is chosen specifically for outdoor cold immersion use, long-term durability, and the visual standards of a guest-facing STR installation.

304 Stainless Steel Interior, Cedar Steps, and a Finish That Photographs

The 304 stainless steel interior liner is the same alloy specification used in commercial food service and marine hardware — chosen because it resists corrosion, holds no odor, and maintains a clean, hygienic surface under the repeated fill-drain-fill cycle of an actively used cold plunge. It does not degrade, discolor, or pit under cold water exposure the way lower-grade materials do over time.

The exterior is WPC (wood-plastic composite) plate in charcoal, banded with stainless steel strips — a material combination that delivers the warm, natural aesthetic of a wood-clad tub without the cracking, warping, or seasonal maintenance that real wood exteriors require outdoors. Charcoal against stainless steel banding reads as modern and architectural — the kind of finish that performs in listing photography regardless of what surrounds it.

The Canadian red cedar steps are the detail guests interact with every single use — getting in and out of a 37.5-inch tub requires a stable, non-slip surface, and cedar delivers both. Cedar is naturally resistant to moisture and decay, which means the steps hold up in wet outdoor conditions without deteriorating between seasons. They also photograph with the warm, natural contrast that makes the overall unit look like a deliberate wellness installation rather than a generic product.

Insulated Cover, Chiller Hook-Up, and the Operational Details That Matter

The insulated PU leather cover with foam filling does two jobs between guest sessions: it slows temperature rise to keep the water cold longer between plunges, and it keeps the water clean by sealing out debris, leaves, and UV exposure that accelerate algae growth. For hosts managing turnovers, a covered tub that stays cleaner between uses translates directly to less prep time per booking.

The built-in chiller hook-up connection allows hosts to connect a compatible external chiller unit for consistent, active temperature control — important for back-to-back bookings in warmer climates where passive ice cooling between sessions isn't reliable. The chiller itself is not included and is sold separately — the Lumina arrives with the hook-up ready so the upgrade path is open whenever it makes operational sense.

The water drain is built into the bottom interior of the tub and operates by simple press-down mechanism — no tools, no siphon, no standing water management challenge. For hosts or cleaning crews handling turnover independently, that drain simplicity matters across every booking cycle.

Cold Plunge as an STR Amenity — Why It's Earning Five-Star Reviews

Cold plunge has moved from athletic recovery tool to mainstream wellness amenity in under five years — driven by widespread coverage in health media, high-profile advocates, and a guest segment that actively searches for properties offering contrast therapy experiences. Listings that have a cold plunge tub are pulling meaningfully ahead of comparable properties that don't, in both nightly rate and booking velocity.

Pairing the Lumina with a Sauna for the Full Contrast Therapy Circuit

The most powerful wellness amenity configuration for an STR property right now is a sauna paired with a cold plunge — the hot-cold contrast therapy protocol that alternates between high heat and cold immersion. Guests who seek this experience are high-intent, high-value bookers who will pay a significant premium for a property that enables the full circuit without leaving the premises.

The Lumina's compact footprint — 33.25 inches in diameter — positions naturally alongside any of the barrel saunas in the OOO catalog. A Liatris or Anémona sauna paired with the Lumina on the same outdoor deck or patio creates a complete, standalone wellness circuit that no competitor listing in your market is likely to replicate at this price point. That combination earns reviews that read like endorsements, not just ratings.

For properties without a sauna, the Lumina still performs as a standalone cold plunge amenity — particularly for athletic recovery guests, wellness retreat bookers, and the growing segment of travelers who cold plunge daily as a personal wellness practice and specifically filter listings for properties that accommodate it.

Compact Footprint, Upright Design — Built for Properties Without Excess Space

At 33.25 inches in diameter, the Lumina occupies the footprint of a large planter — it fits on a patio corner, a deck edge, a narrow side yard, or alongside a sauna without dominating the space or requiring a dedicated installation zone. Properties where a larger cold plunge or soaking tub would be impractical are exactly the properties this unit is designed for.

The upright, vertical design is intentional — single-person immersion in an upright seated position is the correct posture for cold plunge therapy, and the vertical format achieves that without the sprawling horizontal footprint of a full-length tub. Guests enter via the cedar steps, descend into the 118-gallon vessel, and sit upright for their session — a format that feels purposeful and clinical rather than makeshift.

For urban properties, rooftop decks, townhouse patios, and compact cabin lots, the Lumina is often the only viable cold plunge option that doesn't require structural modification or dedicated outdoor infrastructure. That accessibility makes it the practical cold plunge choice across a wide range of property types in the OOO host portfolio.

What Makes the Lumina the Right Cold Plunge for STR Hosts

Not every cold plunge on the market is built for the operational demands of a short-term rental environment — repeated use by different guests, minimal host supervision between sessions, and the expectation that the unit looks as good on week forty as it did on day one. The Lumina is designed with those demands in mind.

Ships Fully Assembled — From Delivery to First Plunge in Hours

The Lumina arrives fully assembled. There is no hardware to sort, no stave walls to interlock, no electrical connections to make. Place it, fill it with cold water, set the cover, and it is ready for guests. For a host managing a remote property or a tight booking schedule, that zero-assembly deployment is operationally significant — the amenity is available from the first booking after delivery, not after a weekend of setup.

The included cedar steps and insulated cover ship with the unit — no supplemental purchases required to make the Lumina fully guest-ready. Everything that goes on the deck comes out of the box. That completeness matters at the moment of delivery, when hosts are focused on getting a property ready for its next booking rather than tracking down accessories.

Full assembly also means the unit arrives in a known, verified configuration — no guest-facing assembly errors, no loose hardware creating a liability concern, no first-night troubleshooting. The Lumina works from day one because it's already built.

The Wellness Amenity That Attracts High-Value Guests and Longer Stays

Guests who book specifically for cold plunge access tend to be intentional wellness travelers — people who incorporate cold immersion into a daily or regular practice and who evaluate properties based on how well the amenity is executed, not just whether it exists. A purpose-built, design-forward cold plunge tub attracts that guest segment more effectively than an improvised alternative.

That guest profile correlates strongly with longer minimum stays, higher nightly rate acceptance, and more detailed five-star reviews — the review content that drives Superhost status and organic discoverability on booking platforms. A guest who cold plunges every morning writes about it. A guest who pairs the Lumina with an on-property sauna writes about both — and that review content becomes the listing's most effective marketing asset.

At a price point significantly below a full-size plunge pool or chiller-integrated cold plunge system, the Lumina delivers the guest-facing experience and listing appeal of a premium wellness installation without the capital outlay or installation complexity those alternatives require.

Who This is For (and Who It’s Not)

This cold plunge tub is perfect if you:
✔ Want to add a dedicated cold plunge amenity to an STR listing without major installation work or assembly
✔ Are pairing a cold plunge with an on-property sauna for a complete contrast therapy wellness circuit
✔ Manage a property with a compact outdoor space where a larger cold plunge installation isn't practical
✔ Want a fully assembled, guest-ready unit that can be deployed immediately after delivery
✔ Are targeting wellness travelers, athletic recovery guests, or high-value bookers who filter for cold plunge access

This may not be right if you:
✖ Need active temperature control from day one — the Lumina includes a chiller hook-up but the chiller unit is sold separately
✖ Are looking for a multi-person cold plunge — the Lumina is designed for single-person upright immersion
✖ Need a heated soaking tub option — this is a dedicated cold plunge vessel with no heating capability

What Owning This Looks Like

Picture a guest stepping out of your sauna at 9 PM, descending the cedar steps into the Lumina, and sitting in 118 gallons of cold water under the open sky — and then opening their phone the next morning to write the review that mentions both by name. That's the wellness circuit that turns a good STR into a destination property.

• A fully assembled cold plunge that's guest-ready from the first booking after delivery — no setup weekend required
• A sauna pairing that creates the complete hot-cold contrast therapy circuit guests are actively searching for on booking platforms
• A compact outdoor installation that fits properties where larger wellness infrastructure simply isn't viable
• A listing differentiator that attracts high-value wellness travelers, commands premium nightly rates, and generates the detailed reviews that build Superhost status

The Lumina isn't an amenity you add to fill a gap in your listing. It's the amenity that redefines what kind of property you're running — and what kind of guests you attract because of it.

Product Specifications & What's Included

What's Included:

• Lumina outdoor cold plunge tub (fully assembled)
• Insulated PU leather cover with foam filling
• Canadian red cedar step set
• Built-in chiller hook-up connection
• Built-in press-down drain

What's Not Included:

• External chiller unit (sold separately — chiller hook-up connection included)
• Ice or cooling medium
• Professional installation labor

No downloadable manuals are currently available for this product. Contact our team at sales@optimaloutdooroasis.com for setup support.

Shipping & Installation

The Lumina Outdoor Cold Plunge Tub ships free to all contiguous US addresses — no PO Boxes. Orders are processed within 12–24 hours Monday through Friday. Standard ground shipping takes 3–5 business days; LTL shipments may take 7–20 business days depending on location. Rural shipping surcharges may apply and will be calculated at checkout.

Inspect your delivery carefully before signing off with the carrier. Photograph any visible damage to packaging or the unit before accepting — damage claims require documented evidence at the time of receipt.

No assembly is required. The Lumina arrives fully assembled with cover and cedar steps included. Place it on any level, stable outdoor surface, fill with cold water, and it is immediately guest-ready. No electrical connection is required for standard cold plunge use — the insulated cover maintains water temperature passively between sessions.

If connecting an external chiller unit, ensure the chiller's output connection is compatible with the Lumina's built-in hook-up fitting before purchase. Chiller installation requirements vary by unit — consult the chiller manufacturer's specifications for placement and connection guidance.

For questions about your order or setup, contact our team at sales@optimaloutdooroasis.com.