Jim,
While there are no land based casinos in S'Pore, there are more than a half dozen cruise to nowhere casino ships based in S'Pore. They mostly dock at the World Trade Center. The WTC is located at the southern part of the island, across from Sentosa Island. Casino companies include, Star Cruises (my former employer) they have at least three ships there, Renaissance Cruises, Sun Cruise, Leisure World, and I honestly forget the rest. Most have $1 up to $100,000 chips or plaques. There is a Hard Rock Cafe near Orchird Rd. if you are interested.
If you go please LMK beforehand!!!