Finnøya, Nordland

Finnøya is an island in Hamarøy Municipality in Nordland county, Norway. The island is situated northwest of the village of Innhavet with which it is connected by bridge. The mountainous island has an area of 68 km2 and the highest point is the 436 m tall mountain Straumfjellet. In 2016, the island of Finnøya had a population of 75.

Sagfjord Church is located on the south side of the island in the village of Karlsøy.