About Keswick Island Community Keswick Island supports a small community that lives and works within the idyllic surrounds of the Great Barrier Reef, a World Heritage Area. Only a stone’s throw from Mackay, the island is a unique place to call home or to which owners can regularly escape. Learn more about living at .
About Keswick Island Nestled within the turquoise waters of the Great Barrier Reef Marine Park, and only 32km off the Mackay coast lies a world of undiscovered treasures. Keswick Island is a natural wonderland – a world of national park and tropical rainforest, fringed by white sands and a coral reef bursting with vibrant marine life. Keswick Island is, no doubt, the most unspoiled of all the populated residential islands of the Whitsundays. Live here, visit here, relax here. Whatever you are looking for, the answer is hidden right here on Keswick, the Treasured Island.