Answer
Koh Larn is Pattaya’s best-known island day trip, reached from Bali Hai Pier. It has several beaches, local transport, water activities and overnight stays, with crowd levels varying sharply by beach and time. For a first visit, look at where your hotel sits relative to the beach, main transport routes and the places you plan to visit. Pattaya neighbourhood names cover broad areas, and two properties using the same district name can feel completely different. Visit once in daylight before committing to a long stay, and check late-night noise, walking conditions and ride-hailing pickup access. Sea-trip note: Ferry schedules, sea conditions, prices and last departures change. Confirm the return plan, operator, lifejackets, weather and inclusions on the day.