Can you travel around Da Nang and Hoi An with only a card? Based on this trip, the approach that felt safest was to treat cash as the default and use cards where they were accepted. Cash made payment easier at Hoi An Old Town ticket counters, attractions, food stalls, small restaurants, and the convenience stores I used. Card payment was helpful when available, especially for Grab and advance bookings, but I would not build the trip around card acceptance. Payment methods and exchange rates in this article are examples from the May 2026 trip. Check current details before traveling. ...