ONTAP Mariner Mat Review

The ONTAP Mariner Mat in Ocean blue standing against our Prado’s front tyre on gravel, with its wave ridges, drainage holes and card band
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The ONTAP Mariner Mat is a foam mat to stand on while you shower or rinse off at camp: water runs through its holes, and the sand and grit stay underneath. We bought it in the Ocean colour, alongside the ONTAP Portable Camping Shower. To be honest, it hasn’t seen much use: most of the time we just stand on our thongs.

What’s in the box

It’s a single, flat mat with wavy ridges on both sides, rows of round drainage holes and a cut-out handle at each end. ONTAP made it with Clean Ocean Designs, and it comes in a card sleeve that slides off. Snowy’s lists a two-year warranty. Ours came in the same box as the ONTAP shower.

What we like

  • Drainage holes let water through
  • 2.5 cm of cushioning underfoot
  • Light at 460 g
  • Handles to carry and shake off
  • Great quality foam
  • Rinses off easily, dries fast

What we don’t

  • Sized for one person standing
  • $99 for a mat
  • Thongs do much the same job
The ONTAP Mariner Mat in its sleeve, the ONTAP shower can with its hose and spray gun, and an ONTAP Insulated Cover box in an open ONTAP carton on the grass
The mat arrived in the same box as our ONTAP shower

Quick Specs

Spec Details
BrandONTAP
MaterialBLOOM foam (EVA, Algae)UV and water resistant
Weight460 g
Size61 × 44 cm
Thickness2.5 cm
ColourOcean
Warranty2 years

Drainage and Grip

The top is a pattern of raised waves with round holes between them. ONTAP says the holes let water rinse straight through while keeping sand and grit from creeping back up onto your feet, and the 2.5 cm of foam protects your feet from sharp rocks and hot or cold ground.

The ONTAP logo and the note about algae-based material moulded into the corner of the mat
The foam is made from algae taken out of waterways
The Ocean blue Mariner Mat lying on gravel with its card sleeve still on, showing the product notes and the Ocean colour ticked
The sleeve explains the algae-based foam

Using It at Camp

We bought the mat together with the ONTAP shower, but honestly we haven’t used it much. When we rinse off at the back of the car, we mostly just stand on our thongs, and they keep our feet out of the dirt well enough. So the mat has spent most of its time packed flat in the car. When we have used it, it impressed us: the quality is great, it’s light, it rinses off easily and it dries quickly, so it doesn’t sit wet in the car.

ONTAP pitches it for more than showering: as a mat for getting changed out of a wetsuit, in front of a swag or as a doormat at camp. The foam is antimicrobial, so it shouldn’t get smelly from being packed away damp. If you like to shower barefoot, or you’re in and out of a wetsuit, it makes more sense than it did for us.

A close-up of the wave pattern and round drainage holes on the Ocean blue Mariner Mat
Raised waves on top, drainage holes in between
The ONTAP Mariner Mat in Ocean blue lying on gravel next to a 4WD tyre, showing its wave pattern and drainage holes
Flat on the gravel beside the car, ready to stand on

Conclusion: ONTAP Mariner Mat

The ONTAP Mariner Mat is a 460 g, 2.5 cm shower mat made from algae-based foam, with drainage holes and handles, and it pairs naturally with the ONTAP Portable Camping Shower. The quality is great, it’s light, and it rinses off and dries quickly, but we haven’t used it much, because a pair of thongs does much the same job when we rinse off. At $99, it’s worth it if you shower barefoot or change out of a wetsuit a lot; otherwise, your thongs will do.

8.5/10
The verdictField-tested rating

Great quality, light and quick to dry, but we rarely use it.

We bought it with the ONTAP shower, but most days we just stand on our thongs to rinse off. It suits barefoot showers, wetsuit changes and a clean spot at the door.

Best for
  • Car campers
  • 4WD tourers
  • Beach & picnics
Worth the money?Value 7.0

Only if you shower barefoot a lot. At $99 it’s a well-made mat, but a pair of thongs did the same job for us most days.

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Frequently asked questions

What is the ONTAP Mariner Mat made of?
BLOOM foam, which ONTAP says is made by turning algae from waterways into durable cushioning. It’s UV and water resistant.
How big is the Mariner Mat?
It’s 61 x 44 cm and 2.5 cm thick, and weighs 460 g.

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8.5/10Check price at Snowys