Crops i.e Tomatoes, Beans, Carrots
Tree types i.e Figs, Dates and possibly fruit trees
Food station where you can make meals
Expensive craft station where you can grind up to maybe a windmill type thing to generate for a simple motor/propellor
The crafted propellors can take you to various small islands in the distance where you can get maps of surrounding islands.
Also a compass in the U.I