Tthe Otterstad farms lie in the innermost part of Mofjorden, on the northwest side of the river. The row of stave-built boatsheds that belong to the farm were probably constructed a little after the middle of the 1800s. Both here and on the Mo side, the boatsheds were important storage places at the seashore; wood and other farm products intended for the town; corn and merchandise in return.
Mosterhamn is one of the old privileged trading posts situated centrally in the shipping lane, whether the ships sailed on Langenuten, Nyeleia through Fitjar or into the Hardanger Fjord. From prehistoric times Bømlo and Moster were the first landing places when arriving from the west; a landscape with good harbours.