Oahu Snorkeling Locations
Hanauma Bay has great snorkeling year round.
Shark's Cove
Malaekahana
Kuilima Cove (Turtle Bay Hilton)
North and West shores usually safe in summer months, especially Pupukea Beach Park
ask a lifeguard

Oahu has a great bus system! Depending on where you plan to go, you might not even need to rent a car.

Franko's Fish Cards depicts some Oahu Snorkeling locations and includes images of over 80 species of Hawaiian fish.