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