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Limestone Reef

Ballintoy

Average score: 0

Site name: Limestone Reef
Location: Descriptive location referring to nearest landfall i.e. town, village, harbour or island
Ballintoy
Type: Describes whether this dive site can be dived from the shore, from a boat, or both
Shore
Wreck: Dive sites which include a shipwreck (or part of a shipwreck) are labelled with a ‘Yes’
No
Min. dive depth (m): The approximate minimum depth of the dive given in metres
5
Max. dive depth (m): The approximate maximum depth of the dive given in metres
14

Max. seabed depth (m): The maximum depth of the seabed at the site taken from the intersect between the dive site point and the depth contour on an Admiralty Standard Nautical Chart
14

Diving experience (min level): The recommended minimum level of diving experience for a specific site, described as Novice (<50 dives in temperate/cold waters and minimum certification of PADI Open/Advanced Open Water, BSAC Ocean Diver or CMAS 1 star), Intermediate (50-100 dives in temperate/cold waters and minimum certification of PADI Rescue Dive, BSAC Sports Dive or CMAS 2 star) or Advanced (>250 dives in temperate/cold waters and minimum certification of PADI Divemaster, BSAC Dive Leader or CMAS 3 star
Novice

Optimal wind direction: The general wind direction which causes minimal exposure at the site, corresponding to 8 points of the compass: North (N), North East (NE), East (E, South East (SE), South (S), South West (SW), West, North West (NW)
SE/S/SW

Exposure: The approximate level of exposure to wind and wave action at the site on any given day, described as Sheltered (inshore sites surrounded by a form of shelter on all sides), Moderate (sites which are partially sheltered) or Exposed (sites with little to no shelter)
Exposed

Tidal strength: Anecdotal description of tidal strength at the site

Marine Protected Area: A Yes or No highlighting whether or not the site occurs within a Marine Protected Area
No

Visibility: Anecdotal description of the typical underwater visibility at the site
~5-10 metres
Best time to dive: Anecdotal recommendation for the best time to dive the site for optimal underwater conditions. This typically relates to the stage of the tide
Getting There: Directions for getting to the site

Park in Larrybane quarry car park, which is used as an overflow car park for visitors to Carrick-a-rede rope bridge. At the east of the car park there is a small path that leads down to the shoreline. Its a 200 metre walk and the dive site itself is approx. 40 metres offshore.

Facilities: Details of nearest facilities to dive site i.e. public car parking and toilets, slipways etc

Free car parking at Larrybane Car Park. There is a tearoom and toilets at the Rope Bridge car park.

Nearest tank filling is Aquaholics, Portstewart/Ballycastle (028 7083 2584).

Hazards: Anecdotal information on possible hazards at the site for divers and snorkellers

Description: A general description of the physical features of the dive site

A limestone reef, with a wall going from 5-14 metres which leads to a sandy, gravelly seabed at the base with boulders.

Biodiversity: A description of the species composition at the site. Species of interest are highlighted. Follow the links for more information about the species on the NBN Atlas Northern Ireland website

The limestone bedrock wall is densely covered in kelp park and faunal turf. Recent species recorded here include the Elephant’s hide sponge Pachymatisma johnstonia and the leopard-spotted goby Thorogobius ephippiatus.

View all species records from this site

A 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
Local Charters: A link to the website for the nearest Dive Centre to the site. A map of all dive centres is provided under ‘Go Diving’

Aquaholics

Environmental and Historical Designations: A list of any environmental or historical designations attributed to the site, or overlapping it. Follow the link for more information

More Information: Links to additional information found online for the dive site

Northern Ireland Marine MapViewer

Safety: Safety tips

  • In an emergency call 999 or 112 and ask for the coastguard.
  • Follow VHF radio Channel 16 (156.8 MHz), the international distress frequency.
  • Find nearest defibrillator (AED) here
Latitude, Longitude: The approximate XY coordinates for the dive site in Decimel Degrees (DD). These can be converted to DMS or DDM by following the link below
55.242849, -6.352809

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