Sea swims in the UK
A true test of your swimming confidence is heading into the deep for an event in the sea. From crystal clear waters abroad to the icy embrace of the North Sea, events held in the sea are unlike anything found inland. Cruise through waves to earn some spectacular experiences!
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Sea swimming events in 2025/2026
Featured events are listed below - select a month/region or the map view to see all events.

- Sun 21 Sep
- £32-£46
Dawlish Swim
Dawlish Warren is a fantastic location for a sea swim, regardless of experience level, plus the excellent Teignmouth Surf Life Saving Club team will be on hand to keep everyone safe.
- Sea swim 3

- Sat 27 Sep - Fri 24 Oct
- FREE
Swim Marathon
Take on a challenge like no other as you swim a marathon or half marathon distance over 12 weeks and lift your health, wellbeing and fitness to the next level.
- Charity swim 2

- Sat 6 Jun 2026
- £35-£54
Dartmouth Open Water Swim
A much-loved favourite in the outdoors calendar, the Dartmouth Open Water Swims offer a choice of distances in the clear waters of Blackpool Sands Beach for a wide range of swimming abilities.
- Sea swim 3

- Sat 27 Jun 2026
- £50
Bournemouth Pier to Pier Swim
Join over 1,200 swimmers and take on an epic 1.4 mile open water swim from Boscombe Pier to Bournemouth Pier. With every stroke, you’ll be powering lifesaving research.
- 1.4 miles sea swimming

- Sun 12 Jul 2026
- £45
Eastbourne Triathlon and Multisport Festival | 1500M Swim
The beautiful seaside town of Eastbourne welcomes swimmers of all abilities and experience back for the Eastbourne Triathlon's swimming-only event! Enjoy a sea swim with a pier backdrop.
- 1500 m sea swimming
- Sat 27 Sep
- £10-£35
Neon Party Swim
Do something completely different! Swim in the dark, lit up by night sticks, Shine like the star you are!
- Sea swim 2
Sea swims near you
Select your location for sea swims in your local area.