- Rum Cay Airport, also known as Port Nelson Airport, is located on Rum Cay, a small island in the Bahamas. It is a public airport that serves the island and is primarily used for domestic flights. The airport has a single runway and offers limited facilities for travelers, including a small terminal building. It is operated by the Bahamas Civil Aviation Department. Many tourists and visitors use this airport as a gateway to explore the pristine beaches, diving spots, and other natural attractions on Rum Cay.