Co To Island is the main island of the Co To archipelago in Quang Ninh, with clear-water beaches, a compact town, and lighthouse viewpoints over the Gulf of Tonkin. It is a popular summer escape for Vietnamese travellers but still feels quieter than the big bay cruise hubs.
Visit for bright beaches, easy seafood nights, and island viewpoints without needing a cruise itinerary.
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Check live entry documents and quarantine rules for Vietnam.
Best months: Jan, Feb, Mar, Dec
This destination has a temperate climate with temperatures ranging from 23°C to 25°C annually. Best visited during Jan, Feb, Mar, Dec. Avoid travel in Jul, Aug, Sep due to heavy rainfall.
⚠️ Avoid travelling in Jul, Aug, Sep due to extreme conditions.
Plan a trip for AugClimate averages based on 10-year historical data · Open-Meteo