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 Islands. The airport is owned by the Duchy of Cornwall and currently is operated by the Council of the Isles of Scilly.