Salterns Marina sits on the north shore of Poole Harbour in Lilliput, Poole, Dorset, accessed via the North Channel roughly midway between the harbour entrance and Poole Town Quay.

Its breakwaters and tall adjacent buildings make it conspicuous from well down the channel. The marina offers 275 berths, including 75 swinging moorings, and supports a maximum draught of 2. 5 metres, with prior arrangement accommodating yachts up to 18.

3 metres. Approaches through Poole Bay and the harbour maintain depths of at least 6 metres CD, while the North Channel carries a minimum of 2 metres throughout, and the final approach to the marina entrance has a maintained depth of 2. 5 metres.