Like flies

Even the locals might not know that Hanauma Bay Nature Preserve is closed on Tuesdays for upkeep. The buses won't take you there on Tuesdays, but you can still show up in your own car to be turned away. Be advised, the guard posted there might accuse you of "attracting other people" if you linger to chat.

We found a fantastic runner-up beach, next to Bellows Air Force base. Eye-catching five-helicopter sightings while sunbathing.