Northney Marina sits on the north shore of Hayling Island in the northwest corner of Chichester Harbour, approximately 3. 5 miles from the harbour entrance.

It is reached by heading north up the Emsworth Channel, then forking into Sweare Deep before turning sharply to port around the Northney red beacon. The approach via Sweare Deep makes it accessible to most vessels at all states of the tide.

The marina offers 228 berths and can accommodate yachts up to 24 metres in length. Visiting boats are welcome, though advance contact via VHF Channel 80 is advisable. Boatyard services, fuel, a boat hoist, and slipway are available on site.