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
20.3°C Water Temperature
2mph E Wind Speed
9°C Outside Temperature
0 UV Rating
Rain Local Forecast
Updated: 05:58 - 19 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 277.65km 72h 21m 53s 79%
2 Hildi Mitchell 258.057km 89h 23m 73%
3 Ben Fearnside 185.993km 60h 19m 53%
4 Kent Reynolds 156.725km 57h 58m 44%
5 James Longstaff 121.7km 36h 20m 5s 34%
6 Jay Ransom 115km 40h 35m 32%
7 Bea Stiller 102.082km 31h 49m 13s 29%
8 Nicholas Petche 98.4km 41h 10m 8s 28%
9 Dawn Stepney 94.1km 32h 3m 26%
10 Elís Mason 90.1km 31h 42m 48s 25%