Stokksundet is a sound between the islands of Stord and Bømlo in Vestland county, Norway. It is about 15 kilometres (9.3 mi) long and it runs from the village of in the north to the islands of Føyno, Nautøya, and Spyssøya in the south. The Digernessundet is a small strait on the south end that connects the Stokksundet to the vast Hardangerfjorden. On the southern end of the strait, the Stord Bridge and Bømla Bridge cross the sound, connecting the islands of Stord and Bømlo to the Bømlafjord Tunnel as part of the Triangle Link which connects both islands to the mainland.