Menu: What you can order when White Castle opens in Orlando By FOX 35 News Staff Published White Castle opens on May 3 in Orlando Tiny burgers! FOX 35's David Martin is checking out the new White Castle and its entire menu! ORLANDO, Fla. - The largest free-standing White Castle in the world will open Monday in Orlando. White Castle will open its highly anticipated Orlando location on May 3. There will be a ribbon-cutting ceremony at 8 a.m., when doors officially open to guests. They will stay open until 1 a.m., but workers anticipate that they will be serving the line until about 4 a.m.