Islesboro Airport
57B has 1 runway. The longest is 1/19 at 2,400 ft × 50 ft (asphalt).
FAA NASR data, cycle 2026-09-03
57B field elevation is 92 ft MSL. The standard traffic pattern altitude at 57B is 1,090 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 57B is non-towered; self-announce position and intentions on CTAF.
Check 57B against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 57B is a non-towered airport. The CTAF frequency is 122.9 MHz.
57B has 1 runway (1/19). The longest runway is 2,400 feet.
57B uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,090 feet MSL at a field elevation of 92 feet.
57B (Islesboro Airport) has a field elevation of 92 feet MSL.
57B (Islesboro Airport) is located in Islesboro, ME.