Lost in the ocean

Challenges:

Farms
Make a catus farm
Make a forrest
Make a wheat farm
Make a jack-o-latern
Make a water melon farm
Make a sugar cane farm

Crafting
Make a bed
Make some bread
Make a cake
Make at east a leather armor

Building
Build a house
Build a cobble generator
Build a libary

More are coming
Taking ideas

Rules:
Play on any difficulty, I prefer Easy or Normal
Don't cheat
Stay in the area around the spawn

Tipp:

Break the stone block in front of the chest

Download
http://www.mediafire.com/?hade7t32ziu4xgb

Inspired from Flight 1011 and Skyblock