Atlas will be receiving an update soon to bring more content into the game in the form of five new explorable islands alongside the Ice Dungeon. The islands will be placed away from currently existing land masses, but a map will be shown prior to deployment so that players can move their ships or risk having them destroyed.
In addition, players can now set sail to the new PTR to test out a plethora of quality of life changes that will be deployed in a future update. There are instructions on how to join the PTR and what players can expect to find once logged in.
Check out the full update notes on the Atlas site.