In November, Billy Kearins, 34, arrived in Key West as U.S. representative for Christiania, of Denmark.

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His latest ventures are the creative networks Planet Illogica and the clothing brand California Christiania Republic, designed as a tribute to an artist enclave in Copenhagen.

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My recommendations would be Christiania, the swimming area at Islands Brygge (where you can take a dip in the cool, clean salt-water of the Copenhagen channel), or rent a bike and head north along the coast towards the beaches in Klampenborg and beyond, while looking at the magnificent houses along the way.

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