Hanauma Bay Nature Preserve

Stunning from the lookout and staggering from the water, the turtles, tropical fish, sea urchins, eels and living coral forest are pure eye candy. Visitors can rent equipment and lockers at the beach and are required to watch an educational video before entering the park. Daily except Tuesdays. Parking: $1 per car. General $7.50, children 13 and under.

honolulu.gov/parks. 7455 Kalanianaole Highway, 808.396.4229.