The fort was established during the Second World War by Nazi Germany and later used by the Norwegian Coastal Artillery and Home Guard until 1993.

Artists like Bob Dylan, A-ha, Elton John and Little Richard have played in Wrightegaarden.

Langesund became its own customs center in 1570, and in the 1580s was considered the country's largest export port for timber, with a lot of shipping traffic particularly from Dutch schooners.

[8] The municipal council (Bystyre) of Langesund was made up of representatives that were elected to four year terms.

A short walk outside of the town centre, facing the Skagerrak strait, lies the decommissioned military fort known as Tangen Fortress.

Mathematician Atle Selberg, musician Vidar Busk, Norwegian-American Lutheran theologian Marcus Olaus Bockman and Instagram influencer Jens Kulås were all born in Langesund.

The concertplace Wrightegaarden is famous for its intimate concerts and is hosting big Norwegian bands like Postgirobygget every year.

Langesund is mentioned in the opening lyrics of Postgirobygget's song Sommer på jorda (Summer on Earth).