Founded in 1986, Bluewater GMAC Real Estate deals in the buying and selling of houses, condos and duplexes. With a presence in Emerald Isle, N.C., the company also offers a variety of acreages, commercial buildings, farms, ranches, town houses and residential properties. Its rental department handles more than 500 weekly and over 200 annual rental homes. Bluewater GMAC Real Estate s sales department assists with resale of property and its rental department provides property management services. The company also builds custom homes for private residences and offers resale and rental investment services. It additionally provides a variety of mortgage and relocation services.