Lanikai Beach

One of Hawaii's best spots for swimming, gold-sand Lanikai's crystal-clear lagoon is like a giant saltwater swimming pool that you're lucky enough to be able to share with the resident tropical fish and sea turtles. Too gorgeous to be real, this is one of Hawaii's postcard-perfect beaches: It's a mile long and thin in places, but the sand's as soft as talcum powder. Prevailing onshore trade winds make this an excellent place for sailing and windsurfing. Kayakers often paddle out to the two tiny offshore Mokulua islands, which are seabird sanctuaries. Because Lanikai is in a residential neighborhood, it's less crowded than other Oahu beaches; it's the perfect place to enjoy a quiet day. Sun worshipers should arrive in the morning, though, as the Koolau Range blocks the afternoon rays.