Before departure: card, payment, no phishing
Within three days before arrival, file the free official ICA SG Arrival Card; then watch for the e-Pass email. Confirm phone/card taps for SimplyGo, or decide EZ-Link / Tourist Pass (transit guide). Paid “filing agents” = phishing.
How to lock three days (common HK rhythm)
Day1 Bay walk (Gardens / MBS exterior / one Chinatown meal). Day2 Kampong or Little India or Chinatown heritage — one quarter only. Day3 Sentosa (USS or Oceanarium) or Mandai (Zoo / Rainforest) — never both islands/wildlife same day. Orchard waits for rain or a last evening.
Common mistake: Shenzhen day-trip density
Singapore humidity and park queues run slower than HK expectations. “Merlion morning, USS noon, Zoo night” is the classic short-trip crash. Fewer stamps; one hawker meal finished seated.