• Farganlack Point, Rathlin Island
  • A drop-off starting at 20 metres and descending to 200 metres; swim through arch at 30 metres.
  • A slack water dive which can only be dived on the last 2 hours of ebb.

• Skerriagh Point
  • Steep rocky slope to 20 metres, sheer drop off to 40+ metres all dramatically covered with abundant life.
  • Drift dives are possible along this and other cliff faces.

• Derginam Point
  • Tremendous dive, 40 metre cliffs topped with pinnacles and archways.

• Shamrock Pinnacle
  • Rises from the sea bed at 30 metres up to 20 metres, 7 miles offshore.
  • Being the Bo Fascadale of Rathlin is often topped by standing waves, this dive needs exceptionally calm weather.

• Carrickmannan Rock
  • A large shoal which rises from great depths to within 5 metres of the surface on the mainland north-west of Ballycastle.

• Skerries Portrush
  • North face of Skerries drop-off to 30 metres then slowly levelling out at 40 metres.
  • Lying in 40 metres of water 2 miles north of Lough Swilly.
  • Excellent visibility with weak tidal streams.

• Dunaff Head Lough Swilly
  • A series of gullies running north/south between Dunaff Island, narrowing in the centre to an inverted keyhole swim through.
  • General depth: 15 - 25 metres.

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