This is the fourth volume in a series of final publications on the joint American-Greek archaeological excavations at Pseira in northeast Crete. The site is a seaport dating from the end of the Final Neolithic until the Late Minoan period. Pseira IV publishes the architecture and associated finds from 39 locations in Areas B, C, D, and F in the Minoan town of Pseira. The Bronze Age settlement is located on Pseira Island, off the coast of Crete in the Gulf of Mirabello.