Rathmullan marina is a small marina pontoon at Rathmullan, a village in County Donegal is located on the western shore of Lough Swilly and is part of the Fanad Peninsula, situated roughly 12.5 miles from the Lough's entrance and 34 miles northwest of Londonderry/Derry.
The pontoon is suitable for small vessels to berth alongside at a reasonable fee and where fresh water is laid on. There is a concrete slipway suitable for dinghy landing. The Lough Swilly ferry also operates from the pier between Rathmullan and Buncrana, a journey of 45 minutes.