 Attempts have been made to find it again, but to no avail.The differences with neighbouring communities and the non-migratory nature of members of the old Katwijk families, Katwijk aan Zee continued its existence as a quiet, close-knit North Sea fishing village from the 16th century.Although fishing is not a major activity in the village today and many of the inhabitants are nowadays secular, the old traditions still survive in many ways.