Which Hawaiʻi attractions need reservations (by island)
Several top sites require advance booking for visitors: Hanauma Bay, Diamond Head and the USS Arizona Memorial on Oʻahu; Haleakalā sunrise, Waiʻānapanapa and ʻĪao Valley on Maui; Hāʻena State Park and Kīlauea Point on Kauaʻi. Hawaiʻi Island's main parks charge fees but don't need advance reservations.
- Oʻahu: Hanauma Bay (2 days ahead at 7 a.m.), Diamond Head (up to 30 days ahead), USS Arizona Memorial (8 weeks and 24 hours ahead at 3 p.m.), ʻIolani Palace tours (online booking).
- Maui: Haleakalā sunrise (60 days and 2 days ahead at 7 a.m.), Waiʻānapanapa (30 days ahead at midnight), ʻĪao Valley (up to 30 days ahead).
- Kauaʻi: Hāʻena State Park (30 days ahead at midnight), Kīlauea Point National Wildlife Refuge (up to 60 days ahead, $1 fee plus admission).
- No reservation, fees only: Waimea Canyon and Kōkeʻe State Parks on Kauaʻi; Akaka Falls, Hāpuna Beach, Wailuku River and Kua Bay (Maniniʻōwali) on Hawaiʻi Island ($5 per person and $10 per vehicle for non-residents); Hawaiʻi Volcanoes National Park ($30 private-vehicle pass, valid 7 days).
- Hawaiʻi residents with state ID are usually exempt from state park reservations and fees.
- Entry and parking are often sold separately. Always confirm on the official site before booking.
Sources: Hawaii's Best Travel: Hawaiʻi reservations and fees 2026 (verified July 22, 2026) · DLNR Division of State Parks: park notices
Last checked Oct. 29, 2026. Hours, fees and rules can change, so confirm with the official source before you go.