These are messages found in bottles. They are also counted towards the games' “Secrets”.
1: On My Name and Origin
Great Inagua: Found on a sandbar in the southern beaches of the island.
2: Earlie Opinions of my Condition
Isla Providencia
03: On the Place of My Birthe
Salt Key Bank: Inside a cavern to the west.
4. My First Reverie
Crook Island: Southeast of the island.
5. My Deepening Predicament
Jiguey: Found in the beach beside the coconut tree.
6: My Apprentyceship
Misteriosa Far east of the viewpoint, along the shore
7: On Leaving Home
Matanzas, at the beach to the northwest.
8: What the Voices Saide
Tortuga: Found in a small sandbar north of the island
9: A Curiose Incident at Sea
Andreas Island: Found along the shore in the eastern side of the island.
10: Finding Steadey Work
Corozal: On the beach south of the tavern.
11: Peter Beckford the Elder
Found in the patch of grass near the cadaver.
12: The Templar Arrives
Santanillas: In the beach northwest of the island.
13: Another Fryghtful Reverie
Cumberland Bay: Check the sandbar to the southwest to find this on the shore.
14: The Assassyn
Cayman Sound: On the beach, southwest of the island
15. Reste and Repaste
Florida Island, in the sand, beside the viewpoint.
16: The Observatoire
Cape Bonavista: Washed up in the beach, northwest of the first viewpoint.
17: Taking My Leave
798, 191 Beach southeast of Navassa or Northeast of Kabah Ruins
18. My Searche
669, 830 On an uncharted beach, east of Abaco Island.
19: On Being a Sage
144,98 Beach southeast of Ambergris Key
20: A Secret Incomprehensible
Long Bay: Inside the cave, in the lower path. Check out the small path leading to a shrine, a few distance away from the entrance.