Explorer Humlebæk

University of Copenhagen aquarium of Øresund sea life at Elsinore's north harbour, open since 1973, which also runs sea safaris.

The little ferry Frederiksborg, crewed by volunteers, has sailed the castle lake in Hillerød since 1952. A round trip of about half an hour calls at Hillerød Torv, the Rose Garden and the Baroque Garden. Sails from mid-April to the October half-term.