Designed in the UK
Thoughtfully crafted to deliver a product that’s built to perform and made to last.
PortaPlunge CUBE | Single Cold Plunge Pool | PortaSauna
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No Black Friday gimmicks. Just a fair price, always.
The PortaPlunge CUBE is your personal cold-water recovery system — compact, durable, and designed for one person. Built from premium drop-stitched, heat-sealed PVC, it delivers the strength and insulation needed for consistent cold immersion. Quick to set up and simple to empty, it’s ideal for daily recovery, post-workout use, or contrast therapy alongside your PortaSauna HEX or HEXXL.
10 minutes Setup
From bag to plunge fast. All tools included.
From bag to plunge fast. All tools included.
Inflates in Minutes
Rigid drop-stitch walls hold their shape and stay firm for long periods.
Rigid drop-stitch walls hold their shape and stay firm for long periods.
Ice-Ready Performance
Suitable for chilling right down to 0 °C.
Suitable for chilling right down to 0 °C.
Go-Anywhere Design
Lightweight, portable and supplied with a tough carry bag.
Lightweight, portable and supplied with a tough carry bag.
Certified Build Quality
Premium PVC, heat-sealed (not glued) to avoid solvent-based adhesives and improve longevity.
Premium PVC, heat-sealed (not glued) to avoid solvent-based adhesives and improve longevity.
Weather-Smart Colour
Light grey exterior helps resist heat gain in summer and looks clean all year round.
Light grey exterior helps resist heat gain in summer and looks clean all year round.
Talk to the Team
Our team is always happy to help, give us a call for support & advice.
Ask a Question- Your PortaPlunge CUBE
- Carry bag
- Water thermometer
- Stirrup pump
- Reusable ice brick
- Repair kit
- Under-plunge matting
- Quick-start guide
Shell & Walls: Premium drop-stitch PVC, 8 cm thick for rigidity
Seams: Heat-sealed (not glued) for long-term durability
Floor: 0.5 mm EVA soft pad for comfort and grip
Exterior Colour: Light grey for year-round practicality and heat resistance
Structure: High-density drop-stitch core for stable, lasting form
Seams: Heat-sealed (not glued) for long-term durability
Floor: 0.5 mm EVA soft pad for comfort and grip
Exterior Colour: Light grey for year-round practicality and heat resistance
Structure: High-density drop-stitch core for stable, lasting form
Plunge (Erected)
Width: 90 cm
Length: 90 cm
Depth/Height: 90 cm
Capacity: 300 L
Weight: ≈ 13 kg
Width: 90 cm
Length: 90 cm
Depth/Height: 90 cm
Capacity: 300 L
Weight: ≈ 13 kg
Total setup time: Under 15 minutes from car to cold
No tools required: All components included in the carry bag
Just add water and ice: Fill, chill, and plunge
Guides provided: Step-by-step written and video tutorials included
No tools required: All components included in the carry bag
Just add water and ice: Fill, chill, and plunge
Guides provided: Step-by-step written and video tutorials included
Delivery: 3–7 working days via DHL with date selection
Dispatch area: UK mainland; Highlands, islands, and international quoted at checkout
Returns: 30-day window from delivery if unused and in original packaging
Return collection: Optional pickup; fee deducted from refund
Refund timing: Processed within 5–7 working days after inspection
Full policy: See our Returns page
Dispatch area: UK mainland; Highlands, islands, and international quoted at checkout
Returns: 30-day window from delivery if unused and in original packaging
Return collection: Optional pickup; fee deducted from refund
Refund timing: Processed within 5–7 working days after inspection
Full policy: See our Returns page
Best suited for: Home gardens, patios, balconies, compact outdoor spaces
Shape: Square (CUBE design for solo use in tight areas)
Dimensions: 90 cm x 90 cm x 90 cm
Capacity: 300 L
Material: 8 cm drop-stitched, heat-sealed premium PVC
Setup time: Under 5 minutes
Weight: Approx. 13 kg
Packed size: Compact and car boot–friendly
Shape: Square (CUBE design for solo use in tight areas)
Dimensions: 90 cm x 90 cm x 90 cm
Capacity: 300 L
Material: 8 cm drop-stitched, heat-sealed premium PVC
Setup time: Under 5 minutes
Weight: Approx. 13 kg
Packed size: Compact and car boot–friendly
PortaPlunge CUBE | Single Cold Plunge Pool | PortaSauna
Sale price£395.00
Regular price£395.00 (/)
Cool down anywhere
BUILT FOR RECOVERY
Portable, durable, and ice-ready, it inflates fast and performs anywhere — from mountain retreats to home setups.
10
Minute setup
From bag to plunge in minutes — no tools needed.
0°C
Ice-Ready
Built for cold immersion and daily recovery.
4
Seasons
Weatherproof materials for all-year outdoor use.
Discover the CUBE Model
Compact, sturdy, and ice-ready — the original portable plunge built for solo recovery anywhere.
Reinforced Drop-Stitch Walls
8 cm thick high-density PVC structure ensures long-term rigidity and stability.
Compact Square Design
90 cm x 90 cm layout fits perfectly in small gardens, balconies, or tight home spaces.
Quick-Inflate System
Inflates and fills in around 10 minutes with the included stirrup pump — no tools required.
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We're here to help
Our friendly support team is ready to assist you with any questions or concerns.
Meet the Community
When you buy a PortaPlunge, you’re not just getting a plunge – you’re joining a warm, welcoming community of sauna and plunge lovers.
8K Followers
Need to heat things up?
Enhance your cold therapy with our portable wood-fired saunas — engineered for powerful heat and total contrast recovery.
We’ve Got You Covered
Our warranty and dedicated support ensure your peace of mind knowing you’re protected. Enjoy a 1-year warranty on your plunge.
Fast Shipping
Quick delivery from our UK & EU warehouses on all orders with 30 day return policy.
Support
We’re here for you 7 days a week, ready to help by phone or email.
Secure Payment
All payments are processed safely and securely with 0% Finance Options Available.
Frequently Asked Questions
For any additional queries, contact us at 02392 984 667or hello@portasauna.co.uk.
Do you ship overseas?
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
How long will it take to get my orders?
It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
Where can I use PortaPlunge?
PortaPlunge can be used indoors or outdoors on any flat surface. Avoid sharp objects and ensure stable ground before filling.
How long does setup take?
Under 5 minutes using the included hand pump.
What’s it made of?
8 cm thick drop-stitched, heat-sealed premium PVC — the same grade used in high-pressure paddleboards.
How do I drain it?
Use the integrated drain valve or siphon hose attachment. Ensure disposal complies with local drainage rules.
Our customer support is available Monday to Friday: 8am-8:30pm.Average answer time: 24h
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