Marion Seaplane Base
85AK has 1 runway. The longest is 09U/27U at 3,400 ft × 200 ft (water).
FAA NASR data, cycle 2026-09-03
85AK field elevation is 150 ft MSL. The standard traffic pattern altitude at 85AK is 1,150 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check 85AK against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 85AK is a non-towered airport.
85AK has 1 runway (09U/27U). The longest runway is 3,400 feet.
85AK uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,150 feet MSL at a field elevation of 150 feet.
85AK (Marion Seaplane Base) has a field elevation of 150 feet MSL.
85AK (Marion Seaplane Base) is located in Big Lake, AK.