The Gaming Floor - http://www.gamingfloor.com/DayShips.html - which gives details about the various floating casinos, says this about the boats that have been sailing from Long Island -

New York
Update April 2007.
All the operations below appear to have disappeared. Anyone have any further information ?

Does anyone know what happened to Coin Castle Casinos sailing from Bay Shore and Freeport?

Does anybody know what chips they were using?