NEW YORK CITY — Cushman & Wakefield has negotiated the sale of the Williamsburg campus of Boricua College located at 186 N 6th St. in Brooklyn for $31.1 million. The buyer was developer David Dweck. The campus consists of two adjoining lots with three brick buildings — a main school building, a gymnasium and a four-story multifamily building. All three buildings are vacant. Boricua College maintains three campuses in Manhattan at 3755 Broadway, the Bronx at 890 Washington and in Brooklyn at 9 Graham Ave. Guthrie Garvin, Brendan Maddigan, Ethan Stanton, Michael Gembecki and Alexander Ball of Cushman & Wakefield represented the seller, Boricua College, in the transaction.