This article lists items that were created uniquely on the Atlantic shard, mostly by events. Many are dropped as loot at Event Moderator events. You can try to obtain your own unique item by attending such an event. To find out more about upcoming events see: Atlantic:Events
Add An Item
If you know of an item not listed here please consider adding it to UOGuide. There are hundreds of unique items for Atlantic and only a handful are currently listed here.