The Far Harbor Add-on for Fallout 4 has 10 achievements.
Discover 20 Far Harbor Locations
Complete the quest "Where You Belong"
Cook One of the New Far Harbor Recipes
Complete the quest "Far From Home"
Complete the quest "The Way Life Should Be"
Complete the quest "Cleansing the Land"
Complete the quest "Close to Home"
Collect all issues of "The Islander's Almanac" magazine
Defeat 30 Far Harbor Sea Creatures
Unlock 3 Far Harbor Workshop Locations