Hanauma Bay is an ancient volcanic crater turned marine sanctuary and Oahu's premier snorkeling destination. Home to over 400 species of fish and green sea turtles, it was declared a protected marine life conservation area in 1967. The bay's unique formation shelters the cove from strong waves.
Adults $25, children 12 and under free. Hawaii residents and active military free with ID.
Early morning (first entry at 6:45 AM) for calmer waters and fewer crowds. Book reservations exactly 2 days in advance at 7 AM HST.
faq.subtitle Hanauma Bay Nature Preserve
Yes, advance reservation is required. Reservations open exactly 2 days ahead at 7:00 AM HST and sell out quickly, often within 5-10 minutes.
Yes, snorkeling gear rental is available on-site at the concession stand for $20 per kit (mask, snorkel, and fins).
Average temperature by month
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