» Northern Ireland Fishery Harbour Authority    Responsible for managing, maintaining and improving the fishing harbours and harbour estates of Ardglass, Kilkeel and Portavogie. Includes port information, marine safety code and waste management procedures.    http://www.nifha.fsnet.co.uk/

» Port of Belfast    Details of facilities, regular services and annual report.    http://www.belfast-harbour.co.uk/

» Port of Larne    Offers freight, passenger and commercial travel each day to Cairnryan, Fleetwood and Troon.    http://www.portoflarne.co.uk/