The closest major airport near Port Royal Sound Foundation - Maritime Center in Bluffton is Hilton Head Island Airport (HHH). It’s around 32 kilometers to the southeast. A second option is Savannah - Hilton Head Intl. Airport (SAV), approximately 72 kilometers southwest of Port Royal Sound Foundation - Maritime Center. Whether you collect a car rental from an airport, the city center or close to a popular attraction, you’ll enjoy the convenience of having your own set of wheels available whenever you want.