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
19.7°C Water Temperature
3mph E Wind Speed
10°C Outside Temperature
0 UV Rating
Clouds Local Forecast
Updated: 20:41 - 27 February, 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 397.477km 137h 53m 100%
2 Andy Tester 383.6km 100h 16m 59s 100%
3 Ben Fearnside 293.463km 94h 31m 83%
4 Kent Reynolds 259.274km 100h 74%
5 Bea Stiller 191.082km 59h 39m 18s 54%
6 Nicholas Petche 185.3km 78h 17m 37s 52%
7 Elís Mason 183.003km 64h 34m 58s 52%
8 Dawn Stepney 173.6km 58h 28m 49%
9 Jay Ransom 165.1km 58h 42m 47%
10 James Longstaff 154.8km 46h 35m 51s 44%