7 Courthouse Dr, Courthouse ComplexCentral Islip, NY 11722 Phone: +1 631-231-0025Fax: +1 631-231-0026Toll Free: +800-331-3131 Hotel Website Classification 5 Limited Service First Class Commission Rooms Rates 10% 125 $89-$89 (USD) Hoteliers! Is your information accurate? Update Here Residence Inn Long Island Islip Location & Neighborhood off Southern State Parkway.