Sentosa popular island resort with Resort world sentosa / RWS that house universal studios and under water aquarium, beaches, musical fountain, golf course, icnonic symbol of singapore – Merlion and luxury housing and hotels – W hotels Used to be Brittsh military fortress during WW2 and shether passage to Keppel harbour to the present resort island with famous palawan beach annual beach party ‘zouk out’ for party goers and Sentosa Cove home to rich and famous.