Rota Harbor is located on the island of Rota, in the Commonwealth of Northern Mariana Islands and was completed in 1985 at a cost of $2.7 million. The project was authorized under Section 107 of the River and Harbor Act of 1960.

The Harbor consists of an entrance channel (685 feet long, 300 feet wide, 20 feet deep); a turning basin (440 feet long, 180-440 feet wide, 16.5 feet deep); a revetted mole (535 feet long, 10 feet high); a basin extension (280 feet long, 150 feet wide and 16.5 feet deep); and appurtenant aids to navigation. The local sponsor is the CNMI Government, Commonwealth Ports Authority.