The Altic Ocean is, technically, the Arctic Ocean, but errors on early maps changed its name forever. It is a very cold ocean, dominated by three banded nations that surround Cassaru. It includes the suboceanic region known as the Indigo Sea.

Seas of the Altic Ocean:
Ail Sea
Winter Sea*
Jasper Sea
Indigo Sea*
Sea of Flowers*
Krov Mare*
Azure Sea*
Jorgendish Straits
Royal Sea*
Adam Sea*
Cassaran Ice
Asderes Straits*
Frothen Sea
Sea of the Fallen
Sea of Malice

* Part of the Indigo Sea area.

Nations of the Altic Ocean**:
Wampa - Cassaran Ice; Rusii
Tonn - Cetaceanoid
Samadraan - Bottom dweller
The Bitters - Jorgendish Straits
Ezkameran
Gorgalam - Frothen Sea
Ossil - Sea of the Fallen
Srisia - acquatic Srisia is in the Sea of Malice
Silver Realm - Ail Sea
Frohm - aquatic Frohm is in the Jasper and Winter Seas

** Excludes the Indigo Sea nations