sentences:  Most military family housing, as well as the Navy Exchange, Commissary, Navy Lodge guest billeting, RV park and other Morale, Welfare and Recreation (MWR) activities are located at Sigsbee Park, a man-made island on the north side of Key West created from dredging of seaplane runways for the NAS Key West seaplane base at Trumbo Point in the 1940s.Family housing is located at both Trumbo Point and the Truman Annex, while single enlisted service members are housed at the main installation at Boca Chica and on Truman Annex.Family housing is managed by Balfour Beatty Communities, a public-private venture (PPV) partner.