Information:World-Class Marina And New Lifestyle Destination Shellharbour Marina is Australia’s newest lifestyle boating destination located on the beautiful South Coast of NSW. Consisting of 270 berths, fuel, dry storage, vessel lifting and commercial marine services, with direct access to the Tasman Sea. The marina offers a safe harbour to enjoy boating all year round, located 50 nautical miles south of Sydney Harbour and 30 nautical miles north of Jervis Bay.