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
19.9°C Water Temperature
1mph W Wind Speed
7°C Outside Temperature
0 UV Rating
Clouds Local Forecast
Updated: 04:12 - 14 January, 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 2024 and 28 February 2025.

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 259.05km 67h 35m 25s 74%
2 Hildi Mitchell 237.957km 82h 53m 67%
3 Ben Fearnside 176.123km 57h 2m 50%
4 Kent Reynolds 142.125km 52h 19m 40%
5 James Longstaff 117.2km 34h 55m 41s 33%
6 Jay Ransom 103.5km 36h 28m 29%
7 Nicholas Petche 96.4km 40h 16m 42s 27%
8 Bea Stiller 93.582km 29h 9m 53s 26%
9 Dawn Stepney 86.7km 29h 33m 24%
10 Elís Mason 83.1km 29h 19m 15s 23%