Here is the full list of all 36 Ikonei Island: An Earthlock Adventure achievements.
Destroyed all Scrap Piles
Crafted Bottle O' Wind!
Blew away the pirates
Activated all Beastmaster Statues
Pollinated 1000 plants
Placed down 1000 items
Dug up 1000 items
Found all the Earthlock Parts
Fished up 1000 items
Equipped three pieces of clothing in different slots
Chopped something down 1000 times
Got 100% rating in all regions
Completed all the Construction Altars
Activated all the statues
Picked up 1000 items
Got all Dwellings to level 2
Freed 8 trapped creatures
Harvested 1000 fruits
Broke 1000 rocks
Activated all Scholar Statues
Used a tool to gather 1000 resources
Destroyed all pirate bases
Discovered Heartland
Got ambushed by Captain Rustbristle
Unlocked all other achievements
Obtained one of each weapon
Completed Sariel's Quest
Completed C.A.T.'s Quest
Completed Milas' Quest
Completed Fiolas's Quest
Defeated 1000 Monsters
Had all companions following at the same time
Activated all Advisor Statues
Activated all the Shrines
Destroyed All Monster Spawners