Worlds cheapest Michelin star restaurant. They have great dumplings at an affordable price.
Café Gray Deluxe is a fancy place with a scenic view. Its got nice seafood and steaks. You can use their Wi-Fi for work.
CoCoon is one huge space in Hong Kong and its nearby the MTR. Its got a library, photo studio, foosball and all other basic amenities. They have supersonic internet speed of 105mbps and cost about $40 per day to use this space.
Hong Kong International Airport- look out for seven eleven stores in the Arrivals and you can pick a Tourist SIM Card by PCCW/HKT
A nice space with hot desks and private offices. They offer membership by the day and also lots of startups run out of here. Stable WiFi, good community and events make it a nice coworking space to work out of in Hong Kong.