I did the average island scale then i packed the islands. I'm not sure if i should go forward from here.
If you weren't expecting all those small islands then it means there must be either A) unintentional UV seams assigned or B) a bunch of rogue polygons in the mesh.
If you post a download link to your .blend file I'll be happy to take a closer look. The best way to do this is by uploading your file to Dropbox, Google Drive, Mega, or equivalent file hosting service then copy + pasting the share link here.