Assassin's Creed Black Flag Resynced: Secret Locations & Interactive Tracking Guide
Secrets in Assassin's Creed Black Flag Resynced are the 105 hidden collectibles scattered across the Caribbean's 46 named locations — split across three distinct sub-types: Treasure Maps, Bottled Letters, and Special Chests, each with its own rewards and map icon.
They are the single largest collectible category in the game and the one most likely to be partially confused with regular Chests. All Secret locations are fully documented on Map Master's Assassin's Creed Black Flag Resynced interactive maps.
The Three Secret Sub-Types
Treasure Maps
30 of the 105 total Secrets are Treasure Maps, each a physical collectible found on a skeleton, in a camp, or inside a Warehouse, that unlocks a Buried Treasure Chest elsewhere in the Caribbean.
The game's internal collectible tracker classifies Treasure Maps as Secrets — they share the Secret map icon and count toward the Secret total. Map Master tracks all 30 in the dedicated Treasure Map guide for clarity.
Bottled Letters and Manuscripts
Narrative lore documents that provide historical context, fictional correspondence, and backstory about the Golden Age of Piracy.
Letters are found in glass bottles washed up on beaches. Manuscripts are named historical documents (Voynich Manuscript, Tabulae Rudolphinae, Aberdeen Bestiary, Epistola de Magnete, Introductio Geographica) stored in special chests.
Neither gives gameplay rewards — they exist to enrich the world's historical texture and are required for the overall Secret count.
Special Chests
The most practically valuable sub-type. Distinguished from regular money-giving Chests by a larger icon on the map — standard Chests use a small Chest icon, Special Chests use a larger icon — and by rewarding items rather than Reales.
The game classifies them entirely differently on the collectible tracker: Special Chests count as Secrets; Regular Chests count under the Chest category. For trophies, only specific Special Chests matter: the ones that reward Art Pieces, Swords, and Pistols.
Special Chests: The Most Valuable Secrets
Confirmed Special Chest rewards across the currently mapped locations, in order of gameplay priority:
- Exotic Sea Shells Trinket — Havana Secret #1, small courtyard in southern Havana (climb the wall, drop inside). Perk: doubles the resources gained from skinning any animal — 2 hides per kill instead of 1. The single most impactful early-game Trinket for crafting efficiency.
- Diamond Trinket — Cape Bonavista Secret #1, underwater at the bottom of the pool under the southern Viewpoint. Perk: oxygen drains slower while diving underwater — essential for collecting the deepest underwater Secrets and Shipwreck chests.
- Gold Earring Trinket — Salt Key Bank Secret #1, underwater at the bottom of the river on the southern side of the village. Perk: reduces Wanted Level gained from acts of piracy — lowers how quickly the Wanted system escalates when boarding or raiding.
- Brown Cloak Outfit — Havana Secret #2, Governor's Mansion courtyard, under the pergola near the small house southwest section.
- Spanish Cup-hilt Rapiers — Havana Secret #6, wooden platform in the courtyard of Castillo San Salvador de la Punta. A free Rapier for the 18-sword Dilettante count.
- Tattered Sail Set — Abaco Island Secret #1, underwater at the bottom of the sunken ship on the northeastern side.
- Hull Armor Ultimate Plan — one of the six Ultimate Plans needed for the "Ship This" trophy, found inside a Secret underwater chest confirmed in the Caribbean.
| Name | Map Location | Details |
|---|---|---|
| Cumberland Bay Secret #1: "Another Fryghtful Reverie" LetterCumberland BayCumberland Bay Secret #1: "Another Fryghtful Reverie" Letter | Cumberland Bay | The first secret in Cumberland Bay is found inside a bottle. Look for it on the small southwestern patch of sand, next to the wreck of a boat. |
| Petite Caverne Secret #1: Locked Special ChestPetite CavernePetite Caverne Secret #1: Locked Special Chest | Petite Caverne | The first secret in Petite Caverne is a locked special chest. You'll find it inside the cave, on the upper side of the pirates' camp. To open it, you need the Petite Caverne Smuggler's Chest Key. Rewards:
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| Anotto Bay Secret: Locked Special ChestAnotto BayAnotto Bay Secret: Locked Special Chest | Anotto Bay | The secret in Anotto Bay is a locked special chest. You'll find it inside the cave, in the pirates' camp. To open it, you need the Anotto Bay Smuggler's Chest Key. Rewards:
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| Grand Cayman Secret: Secret Special ChestGrand CaymanGrand Cayman Secret: Secret Special Chest | Grand Cayman | The Grand Cayman secret is a special chest found on the upper ledge west of the village. To reach the chest, you have to invest some money in booze. Specifically, you must have 5 drinks at the local tavern. Once drunk, you'll wake up in the haystack near the chest. The hint on what you have to do is given by the drunk villager speaking to her wife when you explore the area. |
| San Juan Secret: Locked Special ChestSan JuanSan Juan Secret: Locked Special Chest | San Juan | The secret in San Juan is a locked special chest. You'll find it in the pirates' camp, on the southern side of the lower level. To open it, you need the San Juan Smuggler's Chest Key. Rewards:
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| Pinos Isle Secret #1: Mayan "Dresden" Codex ManuscriptPinos IslePinos Isle Secret #1: Mayan "Dresden" Codex Manuscript | Pinos Isle | The first Secret collectible on Pinos Isle is the Mayan "Dresden" Codex Manuscript. It is found in the northern area of the Mayan Ruins, inside a large chest on the upper level. |
| Cayman Sound Secret: "The Assassyn" LetterCayman SoundCayman Sound Secret: "The Assassyn" Letter | Cayman Sound | "The Assassyn" Letter is one of the letters that count as a secret, and it is found on Cayman Sound. Look for the bottle containing the letter on the northeastern side of the island, at the edge of the beach. |
| Santanillas Secret: "The Templar Arrives" LetterSantanillasSantanillas Secret: "The Templar Arrives" Letter | Santanillas | "The Templar Arrives" Letter is one of the letters that count as a secret, and it is found on Santanillas Island. Look for the bottle containing the letter on the northwestern side of the island, at the edge of the beach. |
| Cape Bonavista Secret #1: Underwater Special ChestCape BonavistaCape Bonavista Secret #1: Underwater Special Chest | Cape Bonavista | The chest is found underwater, at the bottom of the pool under the Cape Bonavista Southern Viewpoint. Rewards: |
| Cape Bonavista Secret #2: "The Observatorie" LetterCape BonavistaCape Bonavista Secret #2: "The Observatorie" Letter | Cape Bonavista | Unlock unique narrative lore by collecting this hidden letter, found resting next to a skeleton in front of two palm trees on the Northern side of Cape Bonavista. |
| Havana Secret #6: Castillo San Salvador de la Punta Special ChestHavanaHavana Secret #6: Castillo San Salvador de la Punta Special Chest | Havana | Found on the wooden platform in the courtyard of Castillo San Salvador de la Punta, in northern Havana. Rewards: |
| Havana Secret #3: "Cortez and La Malinche from The History of Tlaxcala" ManuscriptHavanaHavana Secret #3: "Cortez and La Malinche from The History of Tlaxcala" Manuscript | Havana | The "Cortez and La Malinche from The History of Tlaxcala" Manuscript can be found inside a fenced chest on the western side of Havana. To reach it, check the courtyard and look for the entrance to the fenced area in the southeastern corner. |
| Havana Secret #2: Governor's Mansion Special ChestHavanaHavana Secret #2: Governor's Mansion Special Chest | Havana | This secret chest lies in a storage area within the courtyard of the manor’s southwest section. Look beneath the pergola near the small house to find it tucked under the covered porch. Stealth tip: You can hide in the bushes right next to the pergola and hit the prompt to "listen in" to the warden's conversation, after which he and the other guard will run off. Then, pop your head up just long enough to get the attention of the guard in the pergola, and wait for him to head over to assassinate him. Rewards: |
| Havana Secret #1: Special ChestHavanaHavana Secret #1: Special Chest | Havana | Found in the small courtyard between the buildings in southern Havana City. Climb the wall, then drop inside to get to the chest. Rewards: |
| Havana Secret #5: "Voynich Manuscript" - Folio 34vHavanaHavana Secret #5: "Voynich Manuscript" - Folio 34v | Havana | This secret can be found inside a special chest in the northern tower of Castillo de la Real Fuerza in Havana. Head toward the back northeastern wall, stopping just before you reach the corner, and look down to your left to spot an open window. Drop down to hang from the edge of the wall and align yourself with the small platform below. Let go, making sure to hit the "Roll" button right before you land so that you avoid taking any fall damage. Finally, climb through the open window to find this chest sitting in the left corner of the room. |
| Havana Secret #4: "Tabulae Rudolphinae" ManuscriptHavanaHavana Secret #4: "Tabulae Rudolphinae" Manuscript | Havana | This large chest can be found under the balcony of a house in northern Havana. The chest is in a restricted area, so stay alert or get ready to fight the guards. |
| Abaco Island Secret #1: Underwater Special ChestAbaco IslandAbaco Island Secret #1: Underwater Special Chest | Abaco Island | This chest can be found underwater, at the bottom of the sunken ship on the northeastern side of Abaco Island. Rewards:
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| Abaco Island Secret #2: "Peter Beckford the Elder" LetterAbaco IslandAbaco Island Secret #2: "Peter Beckford the Elder" Letter | Abaco Island | Locate the second Abaco Island Secret, a letter inside a bottle, on the western side of the island. You will find it wedged beneath a small patch of sand near the remains of a boat. |
| Nassau Secret #1: "Voynich Manuscript" - Folio 35rNassauNassau Secret #1: "Voynich Manuscript" - Folio 35r | Nassau | "Voynich Manuscript" - Folio 35r is found inside a special chest in Nassau. The chest counts as a secret, and you'll find it underwater west of the Nassau docks. Look for it on the upper deck of a sunken ship. |
| Nassau Secret #2: "Introductio Geographica" ManuscriptNassauNassau Secret #2: "Introductio Geographica" Manuscript | Nassau | The first secret in Nassau is the "Introductio Geographica" Manuscript. It is located inside a Special Chest on the upper floor of the mansion on the western side of the town. You can get inside via the window in the back. |
| Nassau Secret #3: "Epistola de Magnete" ManuscriptNassauNassau Secret #3: "Epistola de Magnete" Manuscript | Nassau | The "Epistola de Magnet" Manuscript is found inside a large chest in Nassau. You'll find the chest in a covered storage area, northwest of the Nassau Warehouse. The chest is in a restricted area, so stay alert or get ready to fight the guards. This is a Special Chest that counts as a secret. |
| Nassau Secret #4: "Vertumnus, a Portrait of Today" ManuscriptNassauNassau Secret #4: "Vertumnus, a Portrait of Today" Manuscript | Nassau | The "Vertumnus, a Portrait of Today" Manuscript is found inside a large chest in Nassau. You'll find the chest in the tent inside the small camp in the southeastern corner of the area. The chest is in a restricted area, so stay alert or get ready to fight the guards. This is a Special Chest that counts as a secret. |
| Salt Key Bank Secret #1: Underwater Special ChestSalt Key BankSalt Key Bank Secret #1: Underwater Special Chest | Salt Key Bank | The chest is found underwater, at the bottom of the river on the southern side of Salt Key Bank. Rewards: |
| Salt Key Bank Secret #2: "On the Place of My Birthe" LetterSalt Key BankSalt Key Bank Secret #2: "On the Place of My Birthe" Letter | Salt Key Bank | The second Salt Key Bank Secret is the "On the Place of My Birthe" Letter found in the camp by the southern waterfall. Look for it inside a bottle several steps away from the cages on the southern side of Salt Key Bank. |
| Andreas Island Secret #1: "A Curiouse Incident At Sea" LetterAndreas IslandAndreas Island Secret #1: "A Curiouse Incident At Sea" Letter | Andreas Island | "A Curiouse Incident At Sea" Letter is the first Secret on Andreas Island. The letter is found in a bottle, under a bent palm tree on the northeastern side of the island. |
| Andreas Island Secret #2: "Aberdeen Bestiary" (Phoenix Detail) ManuscriptAndreas IslandAndreas Island Secret #2: "Aberdeen Bestiary" (Phoenix Detail) Manuscript | Andreas Island | The second Andreas Island Secret is the "Aberdeen Bestiary" (Phoenix Detail) Manuscript. It is found inside a special chest under the shack on the northeastern side of the island. To get to the chest, smash the breakable crates blocking the path. |
| Cat Island Secret: Beckford's Manor Special ChestCat IslandCat Island Secret: Beckford's Manor Special Chest | Cat Island | The only Cat Island Secret is a Special Chest found on the upper floor of Beckford's Manor. Look for it on the balcony in the back of the house. Rewards: |
| Great Inagua Secret #1: Du Casse's Manor Special ChestGreat InaguaGreat Inagua Secret #1: Du Casse's Manor Special Chest | Great Inagua | The first Great Inagua Secret is a special chest found in the treasure hoard cave under Du Casse's Manor. You'll pass through this area during the "This Old Cove" quest. Rewards: |
| Great Inagua Secret #2:Underwater Special ChestGreat InaguaGreat Inagua Secret #2:Underwater Special Chest | Great Inagua | The second Great Inagua Secret is an underwater special chest found north of Du Casse's Manor. You can also dive down from the Great Inagua Viewpoint, and where you land in the water will be right beside this chest. Note: Chest coordinates—Look for it at 823,448 in the northeastern Great Inagua Gulf. Rewards: |
| Great Inagua Secret #3: "On My Name and Origin" LetterGreat InaguaGreat Inagua Secret #3: "On My Name and Origin" Letter | Great Inagua | The "On My Name and Origin" Letter is the third Secret in Great Inagua. It is found in a bottle on the southern beach, next to a crate and the entrance to the Wayward Souls Rift. Prerequisite:
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| Black Island Secret #1: Storage Area Special ChestBlack IslandBlack Island Secret #1: Storage Area Special Chest | Black Island | The first Black Island Secret is a special chest located in the storage area on the island's western hill. Rewards: |
| Black Island Secret #2: Vantage Point Special ChestBlack IslandBlack Island Secret #2: Vantage Point Special Chest | Black Island | The second Black Island Secret is another special chest, and it can be found on the northern side of the island. Note: Chest coordinates are 915,618. Look for it on top of the northern hill, at the end of the path, and just past a vantage point used by sailors. It will be tucked into the side of a rocky cliff. Rewards: |
| Black Island Secret #3: Underwater Special ChestBlack IslandBlack Island Secret #3: Underwater Special Chest | Black Island | The third and final secret on Black Island is another special chest. Head north from the house near the viewpoint and take the right-hand path through the trees. Note: Chest coordinates are 919,617. Dive into the water from the large tree branch. Carefully navigate around the swarm of jellyfish to safely swim down and loot the secret chest. Rewards: |
| Sacrifice Island Secret #1: Southern Ruins Special ChestSacrifice IslandSacrifice Island Secret #1: Southern Ruins Special Chest | Sacrifice Island | The first Sacrifice Island Secret is a Special Chest found inside the Mayan tower on the southwestern side of the island. Swim to the southeastern beach, take the steps up to bypass the guards, and cross the tree branch to the first temple. Look west to spot a second temple, then head up its stairs and through the open doorway to find the chest tucked inside a small corner room. Rewards: |
| Sacrifice Island Secret #2: Western Coast Special ChestSacrifice IslandSacrifice Island Secret #2: Western Coast Special Chest | Sacrifice Island | The second Secret on Sacrifice Island is another Special Chest, found in the western clearing and guarded by a jaguar. One way to get there is to start from the southwestern beach, ignore the doorway ahead, and head up the left-hand stairs. Jump across the dragon-head statues and navigate the trees to drop into a small clearing with a dead body. You will find the chest resting against the wall just to your right. Rewards: |
| Sacrifice Island Secret #3: Eastern Coast Underwater ChestSacrifice IslandSacrifice Island Secret #3: Eastern Coast Underwater Chest | Sacrifice Island | The third and final Secret on Sacrifice Island is another Special Chest, but this time you'll have to dive for it. The chest is found at coordinates 23,552, on the eastern side of the island. It is sitting on the ocean floor, in the open. Rewards:
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| Nassau Secret #5: Colombus MapNassauNassau Secret #5: Colombus Map | Nassau | Track down Nassau Secret #5: Columbus Map inside the fort on the eastern side of Nassau. After you synchronize the viewpoint in the northern part of the fort, take a leap of faith down into the hay cart below. Right next to where you land, underneath a covered shelter, you will find the chest containing your secret! |
| Jiguey Secret #1: Underwater Special ChestJigueyJiguey Secret #1: Underwater Special Chest | Jiguey | The first secret in Jiguey is an underwater special chest. You'll find it inside the cave, at the bottom of the lake, next to a stone pillar. To open it, you need the Jiguey Smuggler's Chest Key. Note: The Chest Coordinates are 535,511. Rewards:
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| Jiguey Secret #2: "My Deepening Predicament" LetterJigueyJiguey Secret #2: "My Deepening Predicament" Letter | Jiguey | "My Deepening Predicament" Letter is the second secret in Jiguey. The bottle containing the letter is found at the end of the short beach on the western side, in front of the den's entrance. Look for it under a palm tree, several steps away from a boulder. |
| Florida Secret #1: Southern Beach Special ChestFloridaFlorida Secret #1: Southern Beach Special Chest | Florida | The first secret on Florida is a Special Chest found on the southern side of the island, next to a large boulder. Rewards: |
| Florida Secret #2: "Reste and Repaste" LetterFloridaFlorida Secret #2: "Reste and Repaste" Letter | Florida | The second secret on Florida is found inside a bottle, in the small camp on the northern side of the island. |
| Matanzas Secret #1: Manor Special ChestMatanzasMatanzas Secret #1: Manor Special Chest | Matanzas | Make your way to the upper floor of the main manor on the western side of the Matanzas plantation to find this Special Chest, which counts as the first Matanzas Secret. For an easy infiltration, climb the wooden rafters on the eastern side of the house and slip through the open window. The chest is tucked in the corner of the room, but step quietly—there is often a guard sleeping nearby at night. Rewards: |
| Matanzas Secret #2: "On Leaving Home"MatanzasMatanzas Secret #2: "On Leaving Home" | Matanzas | The second secret in Matanzas is another bottle with the "On Leaving Home" letter. Head all the way down to the far western edge of the northern beach. You'll find it tucked away right next to a cluster of wooden crates. |
| Tortuga Island Secret #1: "What the Voices Saide" LetterTortuga IslandTortuga Island Secret #1: "What the Voices Saide" Letter | Tortuga Island | The "What the Voices Saide" Letter is the first secret on Tortuga Island. You can find it in a small bottle next to a palm tree on the northernmost point of the island. |
| Tortuga Island Secret #2: "Crónicas dos Feitos de Guiné" ManuscriptTortuga IslandTortuga Island Secret #2: "Crónicas dos Feitos de Guiné" Manuscript | Tortuga Island | For the second Tortuga Secret, you must reach the northern side of the island. You'll find it inside a special chest, under the pergola in the back of the manor. The chest contains the "Crónicas dos Feitos de Guiné" Manuscript. |
| Mariguana Island Secret #1: "Solaris" from "Mundus Subterraneus" ManuscriptMariguana IslandMariguana Island Secret #1: "Solaris" from "Mundus Subterraneus" Manuscript | Mariguana Island | "Solaris" from "Mundus Subterraneus" Manuscript is a secret found on Mariguana Island. It is located inside a special chest in a small secluded clearing. ' After docking, head toward the shore and follow the path straight. Veer right at the rock overpass, follow the path left, then take an immediate right into the rocky overhang. Stop halfway through and crouch through the vine-covered entrance on your left to find the hidden secret chest. |
| Crooked Island Secret #1: Northern Special ChestCrooked IslandCrooked Island Secret #1: Northern Special Chest | Crooked Island | The first Crooked Island Secret is a Special Chest found in the open, on the northern side of the settlement. You'll find it in a small camp in front of a shipwreck. Rewards: |
| Crooked Island Secret #2: "My First Reverie" LetterCrooked IslandCrooked Island Secret #2: "My First Reverie" Letter | Crooked Island | The second secret on Crooked Island is a letter found inside a bottle. "My First Reverie" Letter and the bottle containing it are found on the southeastern patch of land, outside the fishing village. |
| Caracol Secret #1: "My Searche" LetterCaracolCaracol Secret #1: "My Searche" Letter | Caracol | Caracol features two secrets, both of them on the northern side of the area. The first one is a bottle containing the "My Searche" Letter. Look for it on the northern beach close to a large shipwreck. |
| Caracol Secret #2: Underwater Special ChestCaracolCaracol Secret #2: Underwater Special Chest | Caracol | The second Caracol Secret is an underwater special chest, found very close to the first secret. Look for it at the bottom of the sunken ship on the northern coast. Rewards: |
| Great Inagua Secret #4: Du Casse's Manor Special ChestGreat InaguaGreat Inagua Secret #4: Du Casse's Manor Special Chest | Great Inagua | The fourth secret in Great Iguana is a special chest found behind Du Casse's mansion. Head to the back right side of the estate near the large waterwheel. Follow the path that runs directly past the wheel, and you will easily spot the chest sitting on your left. Rewards: |
| Great Inagua Secret #5: Great Inagua Treasure MapGreat InaguaGreat Inagua Secret #5: Great Inagua Treasure Map | Great Inagua | The fifth secret in Great Iguana is the Great Inagua Treasure Map. It can be found on the western side of the main harbor inside a cliffside cave in Great Inagua. From the western docks near the Great Inagua Manor, look up to spot the cave. Head up the grassy western hill, climb the tree, and traverse the canopy to the cliffside. Climb to the top, loot the salvage chest, and slide down the nearby hole into the cave. Grab the map next to the skeleton to unlock the Nassau Buried Treasure Chest. Rewards: |
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