Description: The Coastal Planning Authority Nearshore Boundary (3nm) was developed for the DCEE in accordance with the Maritime Area Planning Act 2021 - Nearshore Areas of CPAs.https://revisedacts.lawreform.ie/eli/2021/act/50/section/5/revised/en/htmlThis process established an area extending three nautical miles offshore from the high water mark of a coastal planning authority (CPA). The boundaries between CPAs were delineated at points equidistant from each authority.Requests for amendments to the boundary may be submitted; please direct your enquiries to: msp@dcee@gov.ie