Dillingham Ranch This 120-year-old piece of Oahu's history is located right outside the historic surf town of Haleiwa on the island's famous North Shore. You will be greeted with pastures of horses as you make your way to the elegant Gillingham Estate, set before a back drop of the beautiful Waianae mountain range. From your very own aisle of majestic royal palms, to the shade of their famous banyan trees, this estate offers a variety of options for your memorable ceremony to be held.