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