Rerrin (Irish: Raerainn) is the name of the main village on Bere Island. The village is located on the north of the island and is next to the sheltered mooring of Lawrence Cove. It is also the name of the townland surrounding the village.
The village itself extends from the harbour to the military buildings at the top of the hill. Rerrin has a pub, a general store/post office and a coffee shop/restaurant. It also has a regular ferry service to the mainland.