Aitutaki. Cook Island. Polynesia. South Pacific Ocean. Some tourists take a sun bath on the beach of Aitutaki Lagoon Resort & Spa Hotel. One big playground just outside your door. For families Aitutaki is really one big playground just outside the door of your accommodation. It is also very safe. Children, young and older, can spend hours enjoying the lagoon - above and below water - while they are swimming, kayaking, snorkelling and sailing. Back on land you can explore on bicycles, hike around