If you count Hong Kong and Macau (and Puerto Rico) as distinct “countries”, which for my purposes they are (different entry requirements).
Update: changed title to say 9th, not 8th, as I forgot Puerto Rico.
Category: Indonesia
Singapore CBD from the ferry
Off to Batam, Indonesia for a half day
1hr fast ferry S$47/US$38 round trip inc port taxes
And after a week in Asia I’m still waking up before my alarm clock!