Here is the full list of all 14 Shipwreck achievements.
You got 100% complete.
You left the island for home.
You saved the island from the storms.
You only got one coin, but you also got this achievement.
You got the Seal of Time.
You found all big hearts.
You got the Seal of Water.
You got the Seal of Earth.
You got the pickaxe.
You got the lantern.
You got the bow.
You got the Seal of Life.
You got the shield.
You got the sword.