Full list of all 40 Castaway Paradise achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Donate all shells
Donate every collectable
Grow every type of flower
Grow every type of fruit
Complete 100 quests
Make a profit of 5000 gems on the Stock Market
Remove 25 cobwebs
Donate all fish
Donate 15 shells
Read 50 chit chats
Make a profit of 2000 gems at the Bank
Make a profit of 500 gems on the Stock Market
Donate all bugs
Grow every type of crop
Rebuild the Lighthouse
Visit all buildings
Remove 50 weeds
Rebuild Angus' Trailer
Rebuild Francis' Pirateshack
Harvest 50 crops
Rebuild Amelia's Planehouse
Rebuild Victoria's Mansion
Rebuild Gustave's Bakery
Live the luxury life of a VIP
Unlock the second room in your house
Collect 25 pieces of garbage
Introduce yourself to all the villagers
Unlock a gate
Wear an outfit of the opposite gender
Changed every piece of outfit
Complete 25 quests
Donate 15 bugs
Donate 15 fish
Use every piece of equipment
Donate a collectable
Rebuild Harold's Museum
Rebuild a bridge
Get your first collectable
Complete the tutorial
Remove 25 stones