HotBox Sea Sauna
Groomsport Harbour
Wood-fired sea sauna at Groomsport harbour
£22 for 60 min
Book: HotBox Sea Sauna, Groomsport Harbour (their site, new tab)Sauna in Derry
HotBox Sea Sauna.
Benone Strand, Co. Derry
Wood-fired sea sauna on Benone Strand.
What to know
- Price
- £22
- Session
- 60 min
- Private hire
- £100 for 1 to 3, up to £140 for 8
- Cold water
- Sea
- Heat
- Wood-fired
- Setting
- By the sea
Checked 27 October 2026 against their own page. Prices and times change, so check with them before you go. Go to their page (new tab).
Same people, other spots
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Portstewart Strand
Sauna on Portstewart Strand
Prices on their site30, 60 or 90 min sessions
Book: Sauna & Sea, Portstewart Strand (their site, new tab)Splash NI
Moneymore
Two wood-fired saunas with open water swimming in a spring-fed lake
£15 for 60 min
Book: Splash NI, Moneymore (their site, new tab)Something changed at HotBox Sea Sauna?
New prices, new times, closed for the winter, or you run it and want something fixed. Tell us and we'll check and update the listing.