Sky Harbor Airport was a privately owned, public use airport located one nautical mile (2 km) east of the central business district of Sultan, a city in Snohomish County, Washington, United States. It was decommissioned in 2018 and replaced with a housing development.
Sky Harbor Airport covered an area of 20 acres (8 ha) at an elevation of 282 feet (86 m) above mean sea level. It had one runway designated 7/25 with a turf surface measuring 1,930 by 100 feet (588 x 30 m).
For the 12-month period ending July 30, 2012, the airport had 600 general aviation aircraft operations, an average of 50 per month. At that time there were three single-engine aircraft based at this airport.