Check into an Ao Nang hotel or resort and drop bags so you’re ready for a relaxed first afternoon; Ao Nang is the convenient base for islands and inland trips.
Full-day island-hopping tour with swimming, snorkeling and beach time — most group speedboat tours depart ~8:30–9:00am and return mid/late afternoon. Visit Phra Nang Cave Beach, Poda Island, Chicken Island and Tup Island for sandbar walking.
Iconic limestone cliffs, swimming, cave shrine at Phra Nang and beach relaxation; beaches accessible all day, Phra Nang Cave open to visitors (no formal hours but respect tide conditions).
Short but steep viewpoint hike (~30–45 min up) for sweeping views, or book a 2-hour beginner climbing session with a guide; viewpoint open 24/7 but best visited in cooler hours.