Maroantsetra is a market town and domestic seaport in Analanjirofo Region, Madagascar. It is located on the Bay of Antongil near 15°26′0″S 49°45′0″ECoordinates: 15°26′0″S 49°45′0″E.
Maroantsetra is the main point of access to Masoala National Park and the Nosy Mangabe special reserve, and the headquarters of the park authority.