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
20°C Water Temperature
2mph SW Wind Speed
13°C Outside Temperature
0.01 UV Rating
Clear Local Forecast
Updated: 09:49 - 9 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 60.5km 16h 11m 59s 17%
2 Ben Fearnside 20.642km 6h 29m 5%
3 Hildi Mitchell 16km 5h 34m 4%
4 James Longstaff 12.6km 4h 11m 38s 3%
5 Jay Ransom 11km 4h 3%
6 Rob Farrell 10.9km 2h 59m 30s 3%
7 Emela Sisic 10.7km 4h 3%
8 Stuart Klein 10.25km 3h 33m 15s 2%
9 Bea Stiller 10.112km 3h 10m 26s 2%
10 Dawn Stepney 9.5km 3h 15m 2%