By boat from Portrush Harbour. The site is off the north east side of Black Rock, east of Large Skerries.
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)
- Currents are powerful around the rock and it’s easy to be swept off
A vertical, sloping bedrock reef, with ledges, terraces, gullies and fissures. Large, heavily silted boulders are interspersed on the sandy seabed.
The rocky wall is covered in dead man’s fingers Alcyonium digitatum and plumose anemones Metridium dianthus. Other life on the wall includes Devonshire cup corals Caryophyllia smithii, the antenna hydroid Nemertesia antennina, the white striped anemone Actinothoe sphyrodeta and occasional large clumps of the boring sponge Cliona celata.
View all species records from this siteA link to the dive site location on the NBN Atlas Northern Ireland website, showing all species records from within a 1km boundary of the site centroid. Any new species records from the site submitted to Seasearch, iRecord, CEDaR Online Recording or iNaturalist will appear here
- 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.
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