This museum located by the Newburyport marina takes visitors through the rich maritime history of this city; a thriving commercial port of its time. The museum occupies the historic United States Customhouse, a striking Classical Revival building constructed in 1835. Exhibits at the museum touch upon various topics ranging from ancient navigation systems and model ships to displays of notable historic events including shipwrecks. Besides this, there's also a diverse collection of maritime art and artifacts. The museum store offers an excellent range of souvenirs as well as books. Check website for more.