South West
© David Dixon · CC BY-SA 2.0 St Ives Harbour Beach
Visit St Ives Harbour Beach: picturesque harbor, crystal-clear waters, and artistic heritage, perfect for leisurely swims and cultural experiences.
Portreath is a small beach in a cliff-backed cove near Redruth, once a busy port for the copper and coal trade. It shows up on almost every Cornish sea glass list. The beach is narrow at high tide and much wider at low tide, and the shingle near the shoreline catches glass.
Sources describe frosted glass among the shingle near the shoreline and in the small coves and rock pools, with fresh finds after storms once the sea calms. Watch the waves, which can reach further up the beach than you expect.
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Last updated 23 October 2026
South West
© David Dixon · CC BY-SA 2.0 Visit St Ives Harbour Beach: picturesque harbor, crystal-clear waters, and artistic heritage, perfect for leisurely swims and cultural experiences.
South West
© Lewis Clarke · CC BY-SA 2.0 Three miles of dune-backed sand on the north coast where small frosted sea glass turns up near the rocks after storms.
South West
© Derek Voller · CC BY-SA 2.0 A wide dune-backed bay near Newquay whose rock pools and dunes are a favourite hunting ground for Cornish sea glass.
South West
© ArildV · CC BY-SA 4.0 Discover Marazion Beach: stunning views of St Michael's Mount, golden sands, and water sports, ideal for picturesque relaxation and adventurous activities.