Hanauma Bay Nature Preserve

Protected marine preserve and popular snorkeling bay in East Oʻahu. Advance reservations are required, it is closed Mondays and Tuesdays, and every visitor must watch a short conservation video before going down to the beach.

• Closed every Monday and Tuesday, plus Christmas Day and New Year's Day. Open Wednesday through Sunday.
• Entry from 6:45 a.m. to 1:30 p.m.; all visitors must leave by 4:00 p.m.
• Reservations open 48 hours ahead at 7:00 a.m. Hawaiʻi time on the City and County of Honolulu Parks and Recreation website, and often sell out within minutes.
• Entry fee: $25 per person for non-residents age 13 and up. Free for children 12 and under, Hawaiʻi residents with a valid state ID, and active-duty military.
• Parking: $3 per vehicle, cash only ($1 for Hawaiʻi residents). A reservation does not guarantee parking.
• A mandatory 9-minute conservation video is shown before entry.
• The preserve closes temporarily for maintenance at times (for example, sewer-system work in August 2026). Check the official site before you go.

Sources: City and County of Honolulu, Department of Parks and Recreation · Hawaii Guide: Hanauma Bay · Hawaii Travel with Kids: Hanauma Bay reservations

Last checked Oct. 29, 2026. Hours, fees and rules can change, so confirm with the official source before you go.