Sea Lanes Brighton

The National Open Water Swimming Centre®

Sea Lanes Brighton’s vision is to act as a stepping stone to the sea and create a happier and healthier community.

About Sea Lanes
19.9°C Water Temperature
1mph SE Wind Speed
14°C Outside Temperature
0 UV Rating
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Updated: 20:26 - 6 November, 2025

Membership

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Christmas at Sea Lanes

This festive season, make Sea Lanes your destination for celebration. With sweeping sea views, cosy interiors, and festive menus designed for sharing, our spaces, The Clubhouse and The Studio, are made for memorable Christmas gatherings.

From team afternoons to lively evening parties, we offer flexible hire options to suit every celebration. Enjoy a festive sharing platter, exclusive private hire, an eco-friendly Christmas decorated venue, and all the seasonal touches that make Christmas at Sea Lanes feel special.

Available from 1st  November – 31 December. Choose from either a lunchtime event or an evening party. Click here to learn 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 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 55.2km 55h 49m 39s 15%
2 Ben Fearnside 13.2km 3h 58m 3%
3 Emela Sisic 10.7km 4h 3%
4 James Longstaff 10.6km 3h 30m 16s 3%
5 Daniel Gillborn 9km 2h 42m 16s 2%
6 Vida Hatchard 8.35km 2h 59m 59s 2%
7 Bea Stiller 8km 2h 30m 20s 2%
8 Jay Ransom 7.5km 2h 45m 2%
9 Rachel Hayward 7.5km 3h 21m 2%
10 Stuart Klein 6.6km 2h 12m 30s 1%