View Availability
View Availability

In partnership with

Google Rating badge showing a 5.0 rating with five gold stars
An olive green badge with white text that reads "Operator Member British Sauna Society" alongside a stylized sauna symbol.

Traditional Sauna, Extraordinary Setting

Set on the breathtaking Portstewart Strand, a National Trust site on the Causeway Coast, Sauna & Sea offers an authentic wood-fired Finnish sauna experience with panoramic views across the North Coast and Donegal.

Alternate between the heat of the sauna and a refreshing sea dip to leave feeling restored, invigorated, and connected to nature.

With changing facilities, an outdoor shower, secure storage, and direct beach access, everything is in place for an amazing experience in an unforgettable setting.

A group of seven people, five women and two men, sitting inside a wooden sauna, smiling and engaging in conversation at Sauna and Sea Portstewart.
Beach scene on Portstewart strand, a national trust site, with wooden lounge chairs, some covered with clothes and towels, and backpacks on the sand. A mobile sauna is set up behind and people appear to be in it.
Find out more (FAQ)
Book here

New to Sauna & Sea?

  • No experience required

  • No sea swimming required

  • Just book, turn up and relax

A hand holding a matchstick over a small indoor fireplace with logs inside, ready to ignite. The fireplace is set against a black wall with wooden paneling around it.
Image of a weather station with a wind cone next to a tall black vent pipe against a partly cloudy sky. Small building with a wooden facade is visible at the bottom of the image.
Group of people sitting inside a wooden sauna, smiling and engaging in conversation in a social session at Sauna and sea portstewart
Close-up of a sign reading 'SAUNA & SEA' mounted on a wooden wall with horizontal planks, with a black background and white lettering, including a logo of a sun and wave.
A man and a woman walk arm in arm on a national trust site portstewart strand, with rocks and a grassy hill in the background, and houses on the hill. They seem to be engaging in sea dipping activities.
Beach scene with wooden deck chairs in a row, a food truck or trailer, and a house in the background on a grassy hill.
People walking on a sandy beach near a small wooden building with a large window. The beach has lounge chairs and a green grassy hill with houses on top in the background.
A man with long, curly red hair and a beard sits in a wooden sauna, looking down with his hands clasped. Outside the sauna windows, a washing machine and a cloudy sky are visible.
Reflections of a cloudy sky and a person with glasses in a window outside a building with a fence and a 'Danger' sign.
A beach scene with three women walking towards the ocean, a large flag in the foreground with text about surfing, and a partly cloudy sky.
Wooden structure with a sign that says "Sauna & Sea" and a black chimney pipe on top, located on a beach with a view of the sea and mountains in the distance.
Interior of a wooden sauna with benches and a bucket with a ladle.