Hoi An and Da Nang are ideal for eating your way through central Vietnam: the food is lighter, fresher, and more herb-forward than in the north or south. Seek out cao lầu, Hoi An’s signature noodle bowl with chewy noodles, pork, greens, and crispy crackers; mì quảng, turmeric noodles with a little broth; and banh mi, the local sandwich that’s often a highlight here. In Da Nang, don’t miss bánh xèo, sizzling rice pancakes, and seafood grilled simply with chili, lime, and salt.
Locals often eat early, then snack late; street stalls and casual noodle shops do much of the best work. For your friends’ trip, the most rewarding places are the night market and old-town alleys in Hoi An, plus Da Nang’s beachside seafood spots, casual beer places, and cafe streets around the river and My Khe area. August is hot and humid, so midday meals should lean toward soups, noodles, and cold drinks like sugarcane juice, Vietnamese iced coffee, or fresh coconut.
A few practical notes help: dining is relaxed, but it’s common to share dishes and order a mix of plates for the table. Tipping is not required in Vietnam, though rounding up or leaving a small amount is appreciated in nicer restaurants. For dietary needs, ask clearly about fish sauce, shrimp paste, and egg; vegetarian food exists, but broth-based dishes may still contain meat. Seafood is plentiful, but in rainy or stormy periods availability can shift, so flexibility helps.