The two main places you would want to visit for a USA diving
holiday are Hawaii and the Florida Keys (we don't necessarily
recommend that you visit them in one holiday as they are sitting on
opposite ends of the country!).
Ever been night diving? Blackwater diving is night diving on steroids. But rather than exploring reefs, divers are suspended in the pitch black of the open ocean. Why? Because that's when the diurnal migration (aka the world's largest migration) occurs, with countless platonic animals of the…