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
19.4°C Water Temperature
7mph N Wind Speed
9°C Outside Temperature
0 UV Rating
Clouds Local Forecast
Updated: 21:02 - 3 March, 2026

Swimming

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Food + Drink

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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 Hildi Mitchell 406.867km 141h 12m 100%
2 Andy Tester 405.1km 106h 1m 27s 100%
3 Ben Fearnside 300.063km 96h 37m 85%
4 Kent Reynolds 261.75km 100h 55m 74%
5 Bea Stiller 196.082km 61h 13m 3s 56%
6 Nicholas Petche 191.3km 80h 56m 13s 54%
7 Dawn Stepney 190.81km 64h 38m 54%
8 Elís Mason 189.003km 66h 42m 58s 54%
9 Jay Ransom 165.1km 58h 42m 47%
10 James Longstaff 157.1km 47h 17m 30s 44%