Docked on a liveaboard about 60 miles south of Jucaro, Cuba, one diver ditches 5G for a distraction-free week among the mangrove islands that comprise the Jardines de la Reina.

A Colorado man died after taking a scuba lesson with family in Hawaii, police said. Greg Durocher, 51, from Castle Rock, spent nearly 40 minutes in the water June 30 off Waiolena Beach Park “before ...