Offersøya

Offersøya or Offersøy is an island in Alstahaug Municipality in Nordland county, Norway. The 6.7 km2 island lies directly between the large island of Alsta and the smaller island of Tjøtta at the mouth of the Vefsnfjorden. The Norwegian County Road 17 runs across the island connecting Alsta and Tjøtta. The island is relatively flat, with the highest point only reaching 43 m above sea level. In 2016, there were 61 residents living on the island.