We play in coop an if we started the game and watched the first time on the map we saw all monster and the Aircraft carrier on the map.
After a few hour we were on the place of the Monster and the aircraft carrier, but they where not there. Now there are on the same places Islands
We have a Screenshot of the First starte where we marked the island.
Seed:12887020
Extras
-Have you tried reloading your save, game or PC? → NO
-Have tried reinstalling the game? → NO
On the left you can see the map at the beginning and right the map now
Best regards