
Seaweed baths on Anglesey
A private, warm outdoor bath with fresh seaweed at Halen Môn in Brynsiencyn, looking across the Menai Strait to Eryri.
45 minutes. Monday to Thursday £39, Friday to Sunday £45.
Bathe in the natural wisdom of the sea
Sink into your own warm barrel bath on the coast of Ynys Môn, with the mountains of Eryri across the water. Breathe in the sea air and let the mineral-rich seaweed soften your skin.
It’s a simple ritual from the people who make Halen Môn sea salt: forty-five minutes to slow down, switch off and reset. The water stays warm in all weathers, and rain only makes it better.

Each booking includes
- A 45-minute private seaweed bath
- A freshly cleaned and filled bath for every session
- Sustainably harvested organic seaweed
- Bath salts to add yourself
- Changing facilities
Bring with you
- A towel
- Swimwear
- Sandals
- A water bottle
You can also order drinks to be brought to you, barrel-side.



Before you book
- Monday to Thursday
- £39
- Friday to Sunday
- £45
- Length
- 45 minutes
- Where
- Halen Môn, Brynsiencyn, Anglesey. Get directions
- Booking
- Choose your date and time, then pay at checkout. We’ll email your booking confirmation with a calendar invite. Sessions fill quickly, so it’s best to book ahead.
- Ninth bath free
- Book 8 baths within 12 months and your 9th is on us.Baths must be booked with the same email address within 12 months. After your 8th booking we’ll email you a voucher, valid for 12 months and subject to availability.

Choose your date
Pick a day and time that suits you. Monday to Thursday £39, Friday to Sunday £45.
