St Mary's Airport or Isles of Scilly Airport is an airport located 1 nautical mile east of Hugh Town on St Mary's in the Isles of Scilly, to the south west of Cornwall, UK. It is the only fixed-wing airport serving the Isles of Scilly, handling most air traffic to and from the Isles, in addition to a helipad on the island of Tresco. The airport is owned by the Duchy of Cornwall and currently is operated by the Council of the Isles of Scilly.