Quick highlights
Mỹ Khê BeachSơn Trà PeninsulaDragon Bridge
Swim or walk My Khe at 5-6am with the locals (lifeguards on duty from 4:30am in summer, 5am in winter). Then Son Tra Peninsula: the coast road to Linh Ung Pagoda, its Lady Buddha and the Obama rocks is open all day; the forest roads up to Ban Co Peak open 7:30am-6:30pm (until 5:30pm Oct-Feb), some routes don't allow automatic scooters, and roads close after storms - check at the gate. Evening: the Dragon Bridge fire and water show at 9pm on weekend nights (Sat-Sun, often Friday too - check that week), about 15 minutes. Then the Son Tra or Helio night market.
Marble Mountains (Ngũ Hành Sơn)
Marble Mountains from the 7am opening, before tour groups and the heat - about 8km south of the centre, 40,000 VND plus 20,000 VND for Am Phu Cave; the steps are steep and slippery, wear proper shoes. Afternoon: the Museum of Cham Sculpture near the Dragon Bridge (7am-5pm, 60,000 VND), one of the best collections of Cham art anywhere, and the pink Da Nang Cathedral nearby. Seafood on the beach road before you leave.