The coastal city of Eastport, though small in size, has the deepest port on the East Coast. It is an island located between Cobscook Bay and Passamaquoddy Bay, which is notorious for its ripping tides and powerful currents. These features have given birth to a rare phenomenon—reversing falls in nearby Pembroke. The churning water kicks food to the surface, supporting rare forms of aquatic life and attracting seals and eagles at high tide. You can explore the tidal flats around this area to search for fossils and view migrating shorebirds.
Between Eastport and Deer Island is another natural wonder—Old Sow in Passamaquoddy Bay, believed to be the biggest whirlpool in the Western Hemisphere. In Eastport, you can also tour America’s only remaining stone-ground mustard-producing mill—Raye's Mustard Mill. To the north of Eastport, more than 700 members of the Passamaquoddy Indian tribe reside in the Pleasant Point Indian Reservation. You can learn about this tribe's history at the Waponahki Museum, located on the reservation.