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Where We Dive

St. John's Point

St. John's Point offers a variety of dive sites, both shore and boat diving. Diving on the south of the peninsula is well protected from the North and North West winds. Alternatively, it is possible to dive on the North side where the diving is shallower and more 'Kelpy'. 

Black Rock
This is a very accessible boat dive. Boats may be most easily launched from the beach. It is a very short trip to the dive site. The best diving is on the South West end of the rock. This dive offers a nice sheer rock face which shelves to the bottom at 20m. There is always an abundance of marine life and plenty of crevices to tempt the "curious" diver.

The general area of the rock offers an ideal opportunity for deeper dives. As this is a particularly sheltered side of the peninsula it is ideal for training purposes.

Again working from the beach and moving out past Black Rock there is plenty of boat diving along the SW of the peninsula and along the Northern tip. Modern RIBs with high powered engines allow a wide variety of diving in this area.

Portnagh Rock
This is the most popular shore dive in the area. It is extremely accessible with a set of steps leading down into the water. Again it is well sheltered from the prevailing winds and diving is possible all the year round. This site is at the very end of the road beside the lighthouse. the rock is nearly always visible and the snorkel out to it only takes a few minutes.

Again, this site offers a sheer face down to 30m with plenty of fish life and crevices.   At the bottom of the face is a very interesting area of large rocks and boulders offering plenty of holes, gullies and small ledges. The rocks extend down to 25m.

On a full tide it is relatively easy to acquire a 30m dive. Just continue out from the rocks onto sand, where a small ledge is reached and the required depth. As you move out from the point there is a current on the flood tide. Overall the general area of this rock offers a range of depths and underwater terrain to suit the needs of most divers. It is very suitable for small groups of divers without boat facilities.

Skuddagh Rock
This is also a shore dive, accessed from the same point. The divers can snorkel out through the gully between the rock and the mainland and the actual dive is a circle of rock. it is a slightly more challenging dive than Portnagh Rock.

Cassan Sound

This is a gentle, shallow dive with lots of sea life. Entering the water at the slip proceed underwater across the harbour, over a sandy patch which will lead on to a small reef. Here the depth is between 6-10m with plenty of seaweed covering the rocks for fish to hide in. This is also a spectacular location for a night dive and is where we carry out most of our training. 

Malin Beg, Co. Donegal

This is a small quay on the Slieve League Peninsula at the most Westerly point of Donegal and closest to the island of Rathlin O'Beirne. There many dive sites in the region. We will concentrate on four main locations. RIBs and large dive boats must be launched at Teelin further East and driven by sea to the harbour.

1. Shore Dive
Malinbeg is a narrow, long, South-facing inlet, widening at it's mouth into Donegal Bay. The pier is approached by a long flight of steps, which have received many a diver's curse when trying to carry bottles and weight belts after a dive!

Entering the water at the slip proceed underwater across the harbour, around some large rocks until you come to the edge of a sandy patch. Here the depth is between 6-10m with plenty of seaweed-covered rocks amongst the sandy patches.

Exploration of the vicinity will result in the discovery of Crabs, Sponges, small blennies and an abundance of small Dabs and Plaice. Crossing over the sand to the far edge, proceed South for about 70m. Here, if the divers look carefully, they will find a collection of boulders under kelp at the edge of the sand. Occasionally small lobsters can be seen feasting on the remains of the fishermen's catch. These creatures are very wary of intruders and disappear into their holes, so an approach with care is necessary in order to see them. At this point the diver changes direction to go West towards the large sea stack which dominates the inner harbour. The stack consists of a large quantity of natural iron which upsets compasses, but from 8m underwater you can clearly see the stack against the skyline making it reasonably easy to find.

The base of the stack provides a habitat for soft corals, Squat Lobsters, Blennies, Jewel Anemones, Sea Urchins and the occasional Conger Eel.

Diving around the stack is interesting but if the diver takes time to investigate the many nooks and crannies of this spectacular rock, then a whole new world of underwater life and colour will appear.

To return to the pier swim off the stack towards the nearest Easterly sandy patch, head North following the edge of the sand and after 100m change direction West where you should surface back at the quay wall.

This is also a spectacular location for a night dive. Two street lamps on the cliff overlooking the quay light up the underwater terrain and act also as navigational marks.

Following the same dive plan as above the diver is likely to come across night creatures which inhabit the stack, such as conger eels and lobsters, while the Blennies and other fish can be found asleep in the crevices.

2. Shark Rock
The Westward side of the harbour mouth is called on the charts "Tharal Point", but unmarked just to the East of the point is a rock which breaks at low water known as "Shark Rock". Care must be taken if boating in this area during high tide as it is very easy to hit this rock.

Shark Rock provides a variety of topography from reef walls to narrow gullies. if the weather allows, the best entry point is between the rock and the headland just inside of the harbour. at a depth of 8m the diver will find a kelp covered reef which falls onto a rocky bottom with sand patches at 18m. Keeping the reef wall to the right proceed at 15m until the start of a gully.

A little further in, the gully divides into two paths, on the right a narrow, long, cave-like gully which leads to the outside of Tharal Point and on the left a gully which leads to the seaward side of Shark Rock. Choose either of these gullies and you will find jewel anemones, sponges and soft corals covering the walls like a brightly coloured carpet. The water normally has 20-30m visibility and overhead, shoals of pollack and occasional herring can be found passing into Donegal Bay. Amongst the other unusual sights on this dive is an abundance of Rainbow wrasse.

Heading South out of the gullies will lead the diver into deep water in excess of 34m. Here the bottom consists of large boulders with much fish life but few sponges or corals. To avoid deep water turn east after leaving the gully and you will come to a further series of gullies. After about 70m change North and this should bring you to the outside of Shark Rock. Beware that the sea breaks heavily at low tide and care should be taken when surfacing to avoid ascending through the surf caused by the rock.

3. Gloster Rock
On rounding Tharal Point, staying well clear of the submerged Shark Rock, a large jagged rock can be seen. This is called Gloster Rock. Depths around the rock vary from 15m-25m on the East side to over 40m on the South.

Starting on the East side of the rock, in the lee of the prevailing sea and wind, there is a gully with a depth of 20m. The descent into the gully shows off the full splendour of the reef wall with the ubiquitous anemones, seaweeds, sponges, Squat Lobsters and corals. Following the gully as it narrows, keeping the rock to your left, brings the diver to three "swim through" caves at between 20-25m. These "swim throughs" are very close together and lead the diver to the outside of the Gloster Rock.

At this point, one can ascend out of the gully to 15m which allows the diver to swim around the West and South tip of the rock. However, by following the gully the diver will find that the depth increases to 30m where the scenery is mainly sea sculptured boulders. In this terrain Ling and Codling can be found, while above, shoals of Mackerel pass by sparkling of blue, silver and grey.

By returning through the caves the diver will surface not far from where the dive commenced, but if he continues along the gully it is possible to surface on the West side of the rock in a choppy sea hidden from the cover boat.

Diving from the East of "Gloster Rock" leads away from a series of small gullies onto a boulder strewn terrain dominated by kelp and other seaweeds. There is little to be seen here except for the iridescent Rainbow Wrasse.

The South of the rock, however, offers deep water to over 40m. The underwater rock strata descends into the deep water incorporating little drop-offs and reefs to about 35m when the bottom levels off into small boulders. Occasionally Conger Eels have been seen swimming, while at 35m strange rock formations can be found, one of which resembles the ribs and keel of a fossilized boat.

Rathlin O'Birne Island

We regularly run boat trips out to Rathlin O’Birne. Situated 2km west from Malinbeg, Dominated by the lighthouse. Diving around here is wide and varied drop-offs, caves and gullies. An excellent offshore dive site with average visibility of 20m.