
6 candidate Special Areas of Conservation (cSACs)

4 Special Protection Areas (SPAs)

1 National Nature Reserve

26 Sites of Special Scientific Interest (SSSI)

52 Scheduled Ancient Monuments (SAMs)
These protected habitats support a variety of wildlife such as Harbour Porpoises and Marsh Fritillaries.The AONB also takes in three sections of open, undeveloped coastline which have been designated as Heritage Coast. These non-statutory designations complement the AONB and cover approximately 50 kms (31 miles) of the coastline. The sections of Heritage Coast are:
north Anglesey 28.6kms (17 miles)
Holyhead Mountain 12.9kms (8 miles)
Aberffraw Bay 7.7kms (4.5 miles)