A conservation area is defined as "an area of special architectural and historic interest, the character or appearance of which it is desirable to preserve or enhance." The Milford Haven conservation area encompasses the docks/marina facilies and the historic area around Hamilton Terrace.

There are only 3 National Parks in Wales, Breacon Beacons, Snowdonia and Pembrokeshire. Pembrokeshire Coast National Park is the countries only coastal national Park. To understand why this park is truely exceptional, you can visit it's official website - pcnpa.org

A site of Special Scientific Interest is a specific preservation desgination to protect very important locations. In addition to teh marked SSSI region, the whole of the Haven waterway is covered by a European Special Area of Conservation (SAC.) (A SAC is the highest conservation designation in Europe.)