This curved volcanic crater bay along Kalanianaʻole Highway is Oahu's most famous snorkeling spot for good reason — the protected waters are teeming with parrotfish, butterflyfish, and green sea turtles that aren't afraid of humans. You'll spend about 30 minutes getting through check-in and watching the mandatory educational video (which is actually pretty good), then take the tram down to the beach.
The water clarity varies with tides and weather, and it gets crowded fast after opening. The left side near the reef wall has the best fish action, but don't even think about standing on the coral — the knowledgeable staff will call you out. At low tide, navigating around the reef gets trickier.
💡 Insider Tip
Book exactly 2 days ahead when reservations open online — they sell out in minutes. Arrive right at opening for clearest water and smaller crowds. Bring cash for $3 parking and your own gear to skip the $25 rental fee.
Wed–Sun 6:45 AM – 4 PM (closed Mon–Tue)
$25 per person entry
$3 (limited, arrive early)
6:45 AM opening for clearest water
Location
Also Nearby
Chinatown Lei Shops
Downtown Honolulu · shopping
Sans Souci Beach (Kaimana Beach)
Waikiki · beaches
Hoomaluhia Botanical Garden
Windward · landmarks
Rainbow Drive-In
Downtown Honolulu · food
Spalding House (Honolulu Museum of Art)
Downtown Honolulu · landmarks
Kaneohe Sandbar (Ahu O Laka)
Windward · activities