Campania
© Giuseppe Pepe · CC BY 3.0 Castellammare di Stabia seafront
The town beaches under Vesuvius, where decades of rubbish in the bay have left loads of sea glass in unusual colours.
6 beaches
Sea glass beaches in Campania, Italy
6 beaches in Campania where sea glass hunters report finds, across Napoli, Salerno. Each guide covers what turns up, where to look and any local collecting rules.
Campania
© Giuseppe Pepe · CC BY 3.0 
Campania
© giorgio minga · CC BY 3.0 Marina Grande, Sorrento
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.
Campania
© Bicloch · CC BY 3.0 Marina Piccola, Capri
A south-facing pebble bay under the Faraglioni where sea glass hides in the stones below the bathing decks. Best out of season.
Campania
© Giorgio Galeotti · CC BY 4.0 Spiaggia dei Maronti
Ischia's longest beach, about 2 km of dark volcanic sand and stones, with plenty of well-tumbled common glass.
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.
Campania
Spiaggia di Santa Teresa
Salerno's city beach by the commercial port, with green, white, blue and aqua glass and the odd marble. Easy by train.