In Assassin’s Creed IV: Black Flag, the Nassau treasure map is picked up on Great Inagua, then used to dig up the buried chest in Nassau near the mansion and overhanging rock for 3,000 Reales and a sails reward.
The route has two halves: first collect the Nassau treasure map on Great Inagua, then use it in Nassau to reveal the dig prompt under the big overhanging rock near the mansion. One version note before you start: original Assassin’s Creed IV: Black Flag references put the Nassau dig spot at 633,784, while Resynced-focused guides commonly point to 586,755.
Nassau treasure map quick facts
| Version | Dig spot | Reward |
|---|---|---|
| Assassin’s Creed IV: Black Flag | Nassau, around 633,784, behind the mansion area near the overhanging rock | 3,000 Reales plus Grey Sails |
| Black Flag Resynced | Nassau, commonly listed around 586,755, near the same mansion and rock landmark | 3,000 Reales plus an Elite Sails design plan |
The treasure map itself is not in Nassau. You get it from a body on Great Inagua, then travel to Nassau and dig near the large mansion, with the tower on the other side and a big rock formation as your final landmark.
Use the landmark route if the coordinate readout feels off in your version. The mansion, tower, and overhanging rock are the reliable pieces of the route.
Getting the Nassau treasure map on Great Inagua
How to get the Nassau treasure map in Assassin’s Creed IV: Black Flag
Start on Great Inagua, follow the short parkour route from the base area, and loot the body at the end to add the Nassau treasure map to Edward’s inventory.
STEP 1/6
Start at Great Inagua
Open from the shown Great Inagua base area, where the Nassau treasure map route begins.
STEP 2/6
Climb the tree
Go to the tree beside the route and climb up to start the parkour path.
STEP 3/6
Cross the path ahead
Move across the branches and broken route in front of you, staying on the elevated path.
STEP 4/6
Pass through the route
Keep moving through the narrow path until it drops toward the body with the map.
STEP 5/6
Slide down to the body
Slide down at the end of the route and approach the body lying below.
STEP 6/6
Loot the treasure map
Loot the body to collect the Nassau treasure map before heading to Nassau.
Video help
Digging up the Nassau buried chest
How to find the Nassau buried chest in Assassin’s Creed IV: Black Flag
Once you have the map, go to Nassau and use the mansion, tower, and overhanging rock to line up the buried chest location.
- Go to Nassau — Travel to Nassau, where the buried chest tied to the Great Inagua map is hidden.
- Stand between the fast-travel points — Position yourself between the two nearby fast-travel points to match the dig area.
- Use the mansion and tower — Face the area with the mansion on one side and the tower on the other for orientation.
- Head toward the big rock — Move toward the large overhanging rock near the mansion, which is the final landmark for the chest.
- Walk underneath the rock — Go under the overhang and adjust your position until you are directly beneath the rock.
- Wait for the dig prompt — Move around the underside of the rock until the Dig prompt appears.
- Dig up the chest — Use the prompt to dig and collect the Nassau treasure: 3,000 Reales plus the sails reward.
For the original game, use 633,784 as the stronger Nassau coordinate claim. In Resynced, many players are sent to 586,755 instead, so follow the mansion-and-rock landmark if you are moving between versions or reading mixed coordinate notes.
If the dig prompt will not appear, stand under the large overhanging rock near the Nassau mansion and nudge around the base after collecting the Great Inagua map.
Mistakes that block the Nassau dig prompt
The most common mistake is mixing up the two islands. The map is on Great Inagua, but the buried chest is in Nassau. If you are still searching Great Inagua for the chest, you are on the wrong half of the hunt.
Coordinates can also throw you off. If you are playing the original Assassin’s Creed IV: Black Flag, aim around 633,784. If you are following Resynced coordinate notes, 586,755 may point you to the newer listing instead.
You should also collect and view the treasure map before expecting the prompt. Finally, make sure you are at the correct rock: the target is the large overhanging rock near the mansion, not just any rock around the estate.
Nassau buried chest reward
The Nassau buried chest gives you 3,000 Reales. The sails reward label changes depending on the version notes being followed: original-game listings use Grey Sails, while Resynced-focused notes describe an Elite Sails design plan.
KEY!
Either way, the money reward is the stable part of the chest, and the dig spot remains tied to the Great Inagua treasure map.
Frequently Asked Questions
Where is the Nassau treasure map found?
The Nassau treasure map is found on Great Inagua. From the base area, climb the tree, follow the short parkour route, slide down, and loot the body at the end.
What are the Nassau buried chest coordinates?
In the original Assassin’s Creed IV: Black Flag, use 633,784 for the Nassau buried chest. In Resynced, the same treasure route is commonly listed at 586,755.
Why are there two Nassau coordinate numbers?
The 633,784 coordinate belongs to original-game Nassau chest listings, while 586,755 is commonly used in Resynced guides. If the number you are using does not line up, use the landmark route: Nassau, near the mansion, under the large overhanging rock.
Do you need the treasure map before digging?
Yes. Pick up the Great Inagua treasure map first, then go to Nassau and look for the dig prompt under the overhanging rock.
What do you get from the Nassau treasure chest?
The Nassau buried chest gives 3,000 Reales plus a sails reward. Original-game listings name Grey Sails, while Resynced listings describe an Elite Sails design plan.
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