Metlakatla Seaplane Base (IATA: MTM, ICAO: PAMM, FAA LID: MTM) is a state owned, public use seaplane base located in Metlakatla, a community on Annette Island in the Prince of Wales-Hyder Census Area of the U.S. state of Alaska.

As per Federal Aviation Administration records, the airport had 3,344 passenger boardings (enplanements) in calendar year 2008, 3,403 enplanements in 2009, and 4,140 in 2010. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a non-primary commercial service airport (between 2,500 and 10,000 enplanements per year).