Emerald City Harbor is a full service marina, located in the heart of the Nautical Mile… Michigan's famous boating capitol. Founded in 1959, Emerald City Harbor celebrates over 50 years of boating excellence! A wide range of services include 600 boat wells, summer dockage, winter storage, sales, service and much more! You're invited to visit Emerald City Harbor and see how the professional staff can assist you with any boating need!