An ancient territory inhabited by Livs already since the 5th – 6th century. In 1226 Bishop Albert built a castle on the right bank of Salaca river estuary, which has not been preserved until now. Salacgriva development also (similar to Ainazi) has been associated with the establishment of the port in the turn of the 19th – 20th century. Salacgriva became an important handling and transport hubs of products manufactured in Northern Vidzeme (especially timber). During the Soviet period, in the Northern part of Salacgriva established the Fishermen Park with one of the best small town stadiums and open air stage. During that time, the products of fish processing plant "Brīvais vilnis" was well known in the territory of USSR - especially sprats. Salacgriva is one of the two places in Latvia, where the weirs are still used for lamprey fishing.