The Sentosa Suite my brother and I shared with my parents was amazing, situated at the 5th Floor with great views to the sea. They really decorated it very nice. The breakfast buffet was the best ever! From Eggs Benedict to Roti Prata or Laksa and even Taittinger Champagne! Haha... the usual stuff of course too...
If you are looking for something that is big, but not to big (If you know what I mean;)), then this is a great place to go shopping. You can find everything there from clothes, to streetfood, restaurants, supermarket, toys and stationary stuff. It even has a cinema!
So another Shopping Mall that I like is Plaza Singapura. It is really big, but when I went it wasn't really to crowded, which I prefer. What I love there are the cute fashion boutiques where I spent all my money. ups haha :) They have this super nice fashion style. The boutiques which I was in were called Playdress, shopsassydream, Runway Bandits, ... But of course they as well have a lot of other shops!
During the day :