Located south of Rhyll, on the eastern shore of Phillip Island, in Western Port, Churchill Island Marine National Park extends from Long Point south of Rhyll township to the north point of Churchill Island and along the island's western shore to the bridge.

The Park is part of the Western Port RAMSAR site and is an important habitat for many bird species.
Bird watching is a popular activity in the park. Many birds feed, roost and breed around the bay and you may be able to spot birds that have migrated from across the globe.

Canoeing is an ideal way to explore the mangroves and estuarine conditions. Yachting is increasingly popular in the bays relatively tranquil waters.

On calm days snorkelling and diving among the sea grass meadows will reveal a myriad of crustaceans fish and other marine species. Be on the look out for the pot bellied seahorse and weedy seadragon, Victoria’s marine emblem.