Among the many collectibles you can find and/or complete in Assassin's Creed Black Flag Resynced are Letters. These are a series of messages in bottles scattered across the islands and shores of the Caribbean. Collecting them will reveal more about the people sailing these seas, the pasts of key characters, and much more.
You will find this letter on an island south of Great Inagua, Edward's base southeast of Gibara.
The bottle is on the sand of the small island.
This letter is on the northeastern end of the southern beach on Isla Providencia, southeast of Serranilla. You will not be able to reach this island until you have made considerable progress through the story.
This letter can be found south of Placer de los Roques, in the southeastern corner of Dry Tortuga.
You will find the bottle containing the letter on the sand beside the waterfall.
This letter is in the southeastern part of Crooked Island, in central Gibara.
It is beside a palm tree, on the shore beneath the dock.
This letter can be found outside Jiguey Cave, on the southwestern coast of Gibara.
It is on the shore beside the boat that allows you to return to your ship.
The bottle containing this letter is in the northeastern part of Mysteriosa, the ruins in central Serranilla—the region to the south-southwest of the map.
You will find this letter in the northwestern part of Matanzas, between Havana and Cape Bonavista.
It is on a rise overlooking the water, northwest of the mansion.
This letter is on the northeastern shore of Tortuga, the island in the northeastern part of Punta Guarico.
You will find this letter in the northeastern part of Andreas Island, in southwestern Eleuthera, the northeasternmost region on the map (545,699).
You will find the bottle on the shore.
The bottle containing this letter is in the southwestern part of Corozal, in Chinchorro.
It is beside a pile of hay on the beach.
You will find this letter on the southwestern shore of Abaco Island, in western Eleuthera.
You will find this letter on the northwestern shore of Santanillas, the island along the southeastern edge of Chinchorro.
This letter can be found in Cumberland Bay, the island in the northwestern part of Punta Guarico.
The letter is in the southwestern part of the area.
You will find this letter at the northern end of Cayman Sound, south-southeast of Castillo de Jagua.
The letter is on the shore, behind a rock.
This letter can be found in northeastern Florida, the island in the northeastern part of Dry Tortuga.
The bottle is beside a body and a chest.
You will find this letter in the northeastern part of Cape Bonavista, in the south-southwestern part of Dry Tortuga.
The bottle is on the sand, near the shipwreck at the foot of the waterfall.
This letter can be found on the northwestern coast of Ile a Vache, the island in the central-southeastern part of Navassa.
You will find this letter in the northwestern part of Caracol, the settlement in the northeastern corner of Punta Guarico.
The bottle is in the cove containing the remains of the shipwreck.
This letter can be found in the enemy-controlled area of Ambergris Key, the cave in the southwestern corner of Chinchorro. You will enter this area through an underwater tunnel.
You will find it on your right after emerging from the water, before climbing the stairs leading to the enemy camp.
This letter can be found in the east-northeastern part of Long Bay, the settlement north of Charlotte.
It is in one of the sections of the cave containing the Indigenous people.
