Assassin’s Creed 4 Black Flag Resynced Ambergris Key Collectible Locations

Ambergris Key contains 4 Collectibles in Assassin’s Creed 4 Black Flag Resynced (2026 Remake).

Collectibles get marked on the world map when going near them or synchronizing viewpoints. Ambergris Key contains the following collectible locations:

• Chests: 1
• Secrets: 3 (of which 1 Treasure Map)

Collectibles Overview:

• Assassin’s Creed 4 Black Flag Resynced Collectible Guide

Ambergris Key Location

Ambergris Key Coordinates: 28, 159

Collectibles

#1 – Secret 1/3: Letter (“On Being a Sage”)
Found on the floor of the ruins upon entering the cave from underwater.

#2 – Secret 2/3: Chest (Weathered Map Piece + Money)
Inside the ruins in the cave. Need the Ambergris Key Smuggler’s Chest Key obtained by looting enemies here.

#3 – Secret 3/3: Treasure Map – Treasure Map from Ambergris Key (Misteriosa)
From the Northwest corridor in the ruins you will see some barrels and rubble you can climb while facing Southeast. Climb up and the map will be lootable off a skeleton in the hallway.

Solution: Misteriosa (271, 178) – Fast travel to the viewpoint but turn around instead of jumping down, you’ll see a water fountain behind the mayan temple (on the top level). The buried treasure is to the left of the fountain in the grass, behind tall white flowers.

#4 – Chest – Underwater Chest (Money)
This chest is located halfway through the underwater cave when accessing the ruins. It will be on the floor when you get to the first opening with all the jellyfish in it.

That’s 100% of the Collectibles you can find in Ambergris Key location of Assassin’s Creed IV: Black Flag Resynced (2026 Remake).

For all other regions and collectibles by type check out the complete Assassin’s Creed IV: Black Flag Resynced Collectible Guide.