To see Maui’s undersea wonders without getting wet, consider a trip on the Atlantis. The price is steep, but this 65-footer is a real sub, and it dives to a depth of more than 100ft. Sights include coral, tropical fish and the sunken Carthaginian: a sailing brig that played a leading role in the 1965 movie Hawaii.

Check in at the office, which is inside the Pioneer Inn building. The office opens onto Front St. One child under 13 years admitted free with an adult.