Sea Lanes Brighton

The National Open Water Swimming Centre®

A stepping stone to the sea, creating a happier, healthier community with swimming, seaside views, and delicious food and drinks.

About Sea Lanes
18.1°C Water Temperature
15mph NE Wind Speed
7°C Outside Temperature
0 UV Rating
Rain Local Forecast
Updated: 20:51 - 18 February, 2026

Swimming

Find out more

Food + Drink

Discover more

Hire

Our flexible spaces are perfect for parties, presentations, workshops and meetings, designed to fit your needs seamlessly.

Coaching

There is something for all adults with the coaching courses and sessions available at Sea Lanes. Find the course for you today.

Our Community

Check out the various local fitness, health and wellbeing, food, and beverage businesses Sea Lanes is also home to

WINTER SWIM CHALLENGE 2025

Open to all and free to enter. Complete one or all the five challenges between 1 November 2025 and 28 February 2026.

This year’s challenge highlights endangered Arctic and Antarctic marine animals, with each swim distance representing their remaining numbers to raise awareness. Complete the challenge, purchase your swim badge and raise money to support Sussex Bay’s work to restore local ecosystems and protect biodiversity.

Snowy Owl – 15KM (300 lengths)
Polar Bear – 25KM (500 lengths)
Orca – 50KM (1000 lengths)
Beluga Whale – 150KM (3000 lengths)
Emperor Penguin – 350KM+ (7000 lengths)

Join the challenge. 

Rank Swimmmer Distance Time Progress
1 Andy Tester 358km 93h 21m 49s 100%
2 Hildi Mitchell 355.727km 123h 30m 100%
3 Ben Fearnside 268.163km 86h 33m 76%
4 Kent Reynolds 235.75km 90h 45m 67%
5 Bea Stiller 168.582km 52h 34m 5s 48%
6 Nicholas Petche 167.2km 70h 55m 49s 47%
7 Elís Mason 155.503km 55h 8m 58s 44%
8 Dawn Stepney 153.3km 51h 48m 43%
9 Jay Ransom 151.5km 53h 50m 43%
10 James Longstaff 148.5km 44h 41m 36s 42%