User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-109.182.149.157-20140927151453/@comment-85.138.50.95-20140927215112

Considering that New York will be the land scenario, River Valley the hybrid scenerio and North Atlantic the sea scenario, we should expect it to have some open sea. I hope so.