Lookinf for something to do on St. Patty’s Day? Check out these events. St. Patrick’s Day All Weekend Long with the return of Celtic Feis at New York-New York Hotel & Casino. The Strip’s largest St. Patrick’s Day celebration, Celtic Feis, returns to New York-New York Hotel & Casino for a three-day bash on the Brooklyn Bridge, March 15-17. The weekend-long Irish festival will feature two parades, live music, entertainment and traditional Irish fare at the adjacent Nine Fine Irishmen.