Cushendall Beach
Pebble and quartz beach below Lurigethan in the Glens of Antrim, known locally for sea glass marbles.
Glenarm's beach is a short, sheltered bay between the river mouth, harbour and marina on the Antrim coast road. A local sea glass jeweller says it was the first beach she ever collected from and still pictures it on all her branding, and a BBC nature programme filmed a sea glass hunt there. It's small, but collectors call it steady rather than spectacular.
Green, white and pale blue/aqua are the regular finds, with occasional amber and cobalt and rare black and lavender; one jeweller found a perfectly formed amber teardrop. Start at the river mouth and harbour end on the high-tide pebble ridge, then work west along the wet pebbles, ideally at low tide after a storm.
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Last updated 23 October 2026
Pebble and quartz beach below Lurigethan in the Glens of Antrim, known locally for sea glass marbles.
Shingle shore below Carrickfergus Castle and along Scotch Quarter, worked by local sea glass jewellers on Belfast Lough.
Sand-and-shingle beach by the marina where an 18th-century glassworks once stood, and lumps of glass still wash up.
Stranraer's waterfront on Loch Ryan, where scattered sea glass turns up along with plenty of old pottery from local dairies.