Skjellvika is a lagoon and one of the most visited beaches in Sandefjord municipality, Vestfold, Norway. It has the most shallow waters of any beach in town, furthermore, it has one of the city’s purest sea water quality. It is situated at East Island. It lies by the Lahellefjord and is owned and maintained by the municipality of Sandefjord. It lies one kilometer south of Lahelle. The oceans off Skjellvika are used for ice-fishing during winter months.