Southsea Marina in Langstone Harbour provides wet berthing up to 17m (1.8m draft) and dry berthing (10m max, 1.8m draft) for up to 300 boats. 

Facilities include toilet & showers, pump out facility, 24 hour security, electricity, parking, fuel, launderette, water, wi-fi, boatyard service with 25 tonne hoist, boom crane and a 15 tonne Roodberg boat mover, storage and onsite and local marine services.