PRIME EXPOSURE. Islandia Executive Plaza is a four story, glass and steel building offering the perfect executive identity location directly off the Long Island Expressway. Prime street exposure. Building name and monument street signage opportunity to make your company standout. Net Leasing and/or Building Purchase Options. The Executive Plaza is located 1/8 mile south of exit 57 off of the Long Island Expressway (495). Minutes from the train station and MacArthur Airport. Easy on/off access to and from the property for patients,employees and clients.