The short answer is Carry Thai baht for markets, small food vendors, local transport, tips, and places with limited card acceptance while using cards for larger established businesses.
Why this question matters
Thailand’s payment mix varies by neighborhood and island, so cash is part of a flexible daily plan even when cards are common in hotels and malls.
Quick planning answer
Withdraw or exchange a modest daily reserve and use cards selectively rather than relying on either method alone.
What to check before booking
- Keep small notes
- Check ATM fees and withdrawal limits
- Use a backup card and avoid keeping all money together
A practical way to decide
1. Start with the part of the trip that is least flexible: the flight, ferry, remote activity, school holiday, or fixed event. 2. Compare the full door-to-door route, including check-in, luggage, walking, waiting, and the final connection. 3. Keep one fallback that protects your sleep, safety, budget, or most important experience.
Related Travelist guides
Sources and update note
This guide uses the official destination and transport sources listed below as a starting point. Schedules, entry rules, prices, opening hours, weather, and local access can change, so verify time-sensitive details again before booking.