California
© Sergei Gussev · CC BY 2.0 Del Monte Beach
Long Monterey city beach named by local collectors as one of the best sea glass spots on Monterey Bay.
From about 1920 the towns around Monterey ran a public dump on the bluff at what is now Sand City, burning rubbish at night, until it closed in the 1950s. As the dunes erode, glass from the old tip works its way on to the beach, making this one of the more productive spots on the central coast. Some pieces are freshly exposed and still sharp.
Mostly white, green and brown, with some seafoam and the odd cobalt. Look at the gravel patches and the steep stretch just north of Tioga Avenue, ideally at low tide or in the days after a storm.
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Last updated 24 October 2026
California
© Sergei Gussev · CC BY 2.0 Long Monterey city beach named by local collectors as one of the best sea glass spots on Monterey Bay.
California
© Elaine with Grey Cats from California, USA · CC BY-SA 2.0 Rugged Santa Cruz County beach famed for rare art-glass nuggets and marbles washed out from the Lundberg Studios glassworks.
Quiet San Francisco Bay beach near the Richmond Bridge, often scattered with sea glass and rarely crowded.
Small bayside beach below a bluff on the Carquinez Strait, still giving clear, green and amber glass and old china at low tide.