Will my Hong Kong SIM or HotelESIM work in Macau automatically?

While Hong Kong and Macau are geographically close and easily accessible by a short ferry ride, they operate under distinct telecommunication systems. A standard local Hong Kong SIM card typically requires a specific roaming package to function in Macau, which often comes with additional costs. However, if you have specifically purchased a HotelESIM plan designed for Macau, it will connect seamlessly to the local networks there. For travelers exploring both destinations, we recommend a HotelESIM plan that explicitly covers both Hong Kong and Macau for uninterrupted service.