Vietnam tourist island reopens with big dreams as COVID curbs ease On November 20, around 200 South Koreans touched down on the island, which lies a few kilometres off Cambodia in the azure waters of the Gulf of Thailand, after a vaccine passport scheme kicked off this month in Vietnam. Ahead of the reopening, staff at Vinpearl resort — where the arrivals are staying — swept beaches, arranged cutlery on tables and laid out sunbeds. Others busied themselves painting delicate flowers on conical hats.