By boat from Portrush Harbour. The site is the wall on the north east side of Castle Island.
Portrush Harbour offers free car parking above the harbour, public toilets in the harbour office and a slipway on the North Pier. There is a barrier to the harbour which is staffed during office hours, 7 days a week from April – September. Fees apply; for use contact Portrush Harbour Office: 02870822307 / 0788981860.
Nearest tank filling is Aquaholics in Portstewart (028 7083 2584)
The northern side of the Skerries are especially exposed to strong tidal streams and waves.
Vertical bedrock wall, down to a depth of 15 metres to the east, with large boulders present at the base. To the west, the bedrock begins to rise steeply.
Sea squirts are particularly concentrated at the base of the wall and on the boulders. Kelp forest and red seaweeds dominate the steeply sloping bedrock wall to the west. Look out for Ballan wrasse Labrus bergylta amongst the kelp.
- In an emergency call 999 or 112 and ask for the coastguard.
- Follow VHF radio Channel 16 (156.8 MHz), the international distress frequency. Send a distress alert followed by ‘MAYDAY, MAYDAY, MAYDAY’ and ‘This is [boat name]’.
- Find nearest defibrillator (AED) here.
- Portrush Harbour Office: 02870822307.
- When navigating within the harbour/marina, use VHF Channel 12.