West of Noumea in New Caledonia, the snorkeling off Signal Island (Ilot Signal) is popular destination dive site. This boat-accessed snorkeling dive is well known for its scenic reefs. During a Signal Island snorkeling dive, you may encounter bump-headed parrot fish, yellow perch, leopard sharks, green sea turtles, and dugongs.
In the Loyalty Islands groud, the waters around New Caledonia are part of the massive Natural Park Of The Coral Sea that protects the second longest double barrier reef and the worlds largest marine lagoon.There is a huge diversity of hard corals, soft corals and giant clams.
The Signal Island Marine Park is located about 20km west-southwest from Noumea. There are daily tours leaving each morning from Kuendu Beach on Noumea. There is a campground located on the island.
Another good island off New Caledonia is Lifou. The snorkeling off Lifou is known for several shore-accessed dive sites into pristine waters.
To reach the snorkeling in New Caledonia by air, fly into Tontouta International Airport on Noumea, which is served from Australia and New Zealand.