Massachusetts
© Eric Kilby from Somerville, MA, USA · CC BY-SA 2.0 Spectacle Island
Former Boston city dump turned harbour island park, with beaches thick with sea glass and china that must be left where you find it.
For more than a century this headland was Rocky Point Amusement Park. The rides closed in 1995 and the shore reopened to the public as a state park in 2011. Its position near Providence and the shipping lanes of Narragansett Bay keeps glass coming ashore.
Whites, greens and ambers, with aqua, sea-foam and the odd lavender. The easy pickings have gone, so come after a storm and take your time.
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Last updated 24 October 2026
Massachusetts
© Eric Kilby from Somerville, MA, USA · CC BY-SA 2.0 Former Boston city dump turned harbour island park, with beaches thick with sea glass and china that must be left where you find it.
Massachusetts
© Daderot · Public domain Long, busy beach near Boston where harbour debris gets trapped and sea glass turns up in the pebble piles after rough weather.
Massachusetts
© bynyalcin · CC BY 3.0 Coarse-sand and rock beach in Marblehead where the stony curve of the bay holds the larger, more colourful sea glass.
Massachusetts
© Art01852 · CC BY 2.0 Wild Atlantic beach at the tip of Cape Cod, often strewn with green and blue sea glass, though shifting sand can bury it.