Wallis Island is a nature reserve near Forster, New South Wales, Australia. It was created in January 1983 and covers an area of 584ha (454.5 acres).[1] It sits within Wallis Lake, just south of the Coolongolook River. It is known for the Forster (Wallis Island) Airport and a $20 million Australian chateau [2] which was built on land reportedly bought for $290,000 in 1996.