Passamaquoddy Bay is a large, scenic bay located on the northeastern coast of North America, primarily between the U.S. state of Maine and the Canadian province of New Brunswick. It is known for its rich marine life and beautiful landscapes, making it a popular destination for outdoor activities such as kayaking and whale watching. The bay is named after the Passamaquoddy people, a Native American tribe that has lived in the region for thousands of years. The area is also significant for its tidal fluctuations, which are among the highest in the world, creating unique ecosystems and habitats for various species.