The biome formation could use work. What I find most annoying is how there can suddenly be a teeny tiny little blob of some higher biome along the shore while sailing around a meadow or black forest. Had Deathsquitos fly out at me on some early starts, really unfun. Or a pack of leaches hamming away on my raft. Could use a little more consistency.

Like they could add in a UI with some sliders that allow so many biomes per land mass, sizes of land mass, consistency of land masses, ect.

I love sailing around so many islands would be fun for me but the poster above could setup Pangea.

Something similar to what civilization has.