The Marina bay area is definitely stunning. The Marina Bay Sands Hotel is especially breathtaking. The building in itself is surreal and the view from the platform is even more fantastic. At night there is a 3D water and lights show which is absolutely worthwhile.

Marina Bay, Marina Boulevard, Singapore 018980, Singapore
https://www.marina-bay.sg/
+65 6329 3535

Visited October 2013. You can find my review about Marina Bay also on TripAdvisor.