Minecraft wiki entry for Achievement_guide, associated text: To find buried treasure, first, you need to find treasure maps, this map can be found in shipwrecks and underwater ruins. Note: Shipwreck map room chests always contain a treasure map. Treasure maps usually lead you to beaches, snowy beaches, stone shores, or even mushroom field shores. If it generates in a stone shore, the buried treasure will usually generate higher than sea level. Buried treasure is marked with an 'X' on the map. Use your pickaxe to break stone and shovel to dig sand. Lastly, open the treasure chest.