Karmøy (island)
Interactive map of the island | |
| Geography | |
|---|---|
| Location | Rogaland, Norway |
| Coordinates | 59°23′38″N 5°15′12″E / 59.39385°N 5.25323°E |
| Area | 176.8 km2 (68.3 sq mi) |
| Length | 30 km (19 mi) |
| Width | 9 km (5.6 mi) |
| Highest elevation | 132 m (433 ft) |
| Highest point | Søre Sålefjell |
| Administration | |
| County | Rogaland |
| Municipality | Karmøy Municipality |
| Demographics | |
| Population | 34,100 (2025) |
| Pop. density | 192.9/km2 (499.6/sq mi) |
Karmøy is an island in Karmøy Municipality in the northwestern part of Rogaland county, Norway. The island covers an area of 176.8 square kilometres (68.3 sq mi) and measures approximately 30 kilometres (19 mi) long, and up to 9 kilometres (5.6 mi) wide. It constitutes the main part of Karmøy Municipality, together with several smaller surrounding islands and a portion of the mainland south of Haugesund Municipality. Karmøy is the largest island in Rogaland county, the most populous island in South Norway, and the second most populous island in Norway.
The island is separated from the mainland by the Karmsundet strait, with the Boknafjorden located to the south and southeast, while the Sirafjorden to the west separates the island of Karmøy from the islands of Utsira and Feøy.