Campania
© Mihael Grmek · CC BY-SA 4.0 Spiaggia di Fornillo
Positano's quieter pebble beach, five minutes' walk from Spiaggia Grande, where an hour at the waterline can fill a pocket.
The free beaches along the promenade at Castellammare di Stabia, at the foot of Vesuvius on the Bay of Naples. Rubbish dumped in the bay for decades has been tumbled into sea glass, mixed with worn ceramic and terracotta tile. The sea here was only declared fit for bathing again in 2024 after a ban dating from 1973.
Plentiful glass including turquoise, blue, cobalt, purple, grey and yellow, with sea pottery. Collectors say the stretch towards Vesuvius is quieter and richer.
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Last updated 24 October 2026
Campania
© Mihael Grmek · CC BY-SA 4.0 Positano's quieter pebble beach, five minutes' walk from Spiaggia Grande, where an hour at the waterline can fill a pocket.
Campania
© giorgio minga · CC BY 3.0 Sorrento's working fishing harbour is a better bet for sea glass than the resort beaches, with very dark olive glass and wired window glass.
Salerno's city beach by the commercial port, with green, white, blue and aqua glass and the odd marble. Easy by train.
Campania
© Bicloch · CC BY 3.0 A south-facing pebble bay under the Faraglioni where sea glass hides in the stones below the bathing decks. Best out of season.