Cavanaugh Bay Airport is a public use airport located three nautical miles (6 km) north of the central business district of Coolin, in Bonner County, Idaho, United States. It is owned by the State of Idaho, Idaho Transportation Department, Division of Aeronautics. The airport is located on the east side of Priest Lake, at the south end of Cavanaugh Bay.Facilities and aircraftCavanaugh Bay Airport covers an area of 25acre at an elevation of 2,484 feet (757 m) above mean sea level. It has one runway designated 15/33 with a 3,100 x 120 ft (945 x 37 m) turf surface. For the 12-month period ending June 7, 2006, the airport had 4,500 general aviation aircraft operations, an average of 375 per month.