You are most likely to transit through these towns en route to Ko Samet. Rayong (ระยอง) is a sizeable, sprawling city with frequent bus connections to elsewhere. The little port of Ban Phe (บ้านเพ), 18km east, has ferry services to Ko Samet and quite a decent beach. Blue sŏrng·tăa·ou link the two towns (25B, 45 minutes, every 15 minutes). If you're spending time in Rayong, have a wander around its picturesque old town, south of the main road.