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Sauna Finder

Portland

The Island Sauna

Sessions from
£13
Session length
1 hr
Private hire from
£90

A wood-fired barrel sauna beside Portland Harbour, close to Portland Castle and the water. You can share a session with others or hire it for a group, and there are quiet Sunday morning sessions and occasional evening events.

Sessions

  • Communal
  • Private hire
  • Quiet sessions
  • Events

Facilities

  • Cold plunge
  • Wood-fired
  • Sea or lake swimming
  • Showers
  • Changing rooms

Opening hours

Opening hours
MondayNot listed
TuesdayNot listed
WednesdayNot listed
ThursdayNot listed
Friday7:30am–7:30pm
Saturday8am–8pm
Sunday8am–8pm

Mon-Thu sessions start at 7:30am, 8:45am, 10am, 5pm, 6:15pm and 7:30pm.

Hours change. Check with the sauna before you travel.

Getting there

Black Barge Beach, Mulberry Avenue, Portland, Dorset, DT5 1FA
Directions to The Island Sauna (opens Google Maps)

Details checked October 2026.