Note: If you want to find these buried chests, you will first need the corresponding treasure maps.

These will be updated as I find more of them. 

Chest 579, 720

This chest can be found on a small island on the southern most tip of the Andreas Island. This chest contains the plans for the Elite Harpoon and 3,000 Reales. 

Chest 307, 195

This chest is located in Misteriosa, northeast of the viewpoint and near a pool. The chest includes the plans for Elite Heavy Shot as well as 3,000 Reales.

Chest 749,625

This chest is found on Salt Lagoon towards the end of the island that has a large rock at the end. The buried chest can be found in the ground near that rock. This chest contains the plans for the Serpent Figurehead. 

Chest 606, 835

This chest can be found at  the rear end of the scuttled ship, in a very small grove of three trees. The picture on the map is very representative of this one. This chest contains 4000R. 

Chest 70, 405

This chest is located in Tulum, near the viewpoint on the Southern end near a tree. Inside this chest is 4,000 Reales.

Chest 623, 172

This chest is in the bay of the Eastern-most shore of Kingston. It contains the plans for Blackwood Wheel and 3,000 Reales. 

Chest 525, 253 

This chest is in Long Bay, and can be found near an easterly viewpoint on the beach. The chest contains 4,000 Reales.

Chest 179, 593

This chest is located on the same island as the treasure map used to locate it – Cape Bonavista. It is inside a dead end cave on the island. The chest contains 1,500 Reales.

Chest 327, 334

This one was a bit difficult to find, as the location referenced in the coordinates appears to be in the middle of the water. This is not the case. The actual location, on the island known as Cayman Sound is actually more like 334, 336, and can be found on a small spit of land between two rocks. This chest contained 4000R. 

Chest 240, 607

This chest is buried on a beach in the Southern part of Havana. The chest contains the plans for Queen Anne’s figurehead and 3,000 Reales.

Chest 992, 422

The location of this chest, Principe, is unlocked through the course of gameplay. If you haven’t unlocked it yet, you won’t be able to find the chest. You’ll want to go to the fort, along the top there are four cannons with three buildings. Go around the buildings until you are on the ledge in front of those buildings. This chest contains 3,000 Reales. 

Chest 633, 784 

This chest can be found on the cliff behind a mansion on Nassau. The chest contains the plans for the Grey Sails as well as 3,000 Reales.

Chest 333, 650

This chest can be found alongside the Mayan Stela on the Eastern side of Mantanzas. The chest contains the plans for Elite Mortar Storage and 3000 Reales.

Chest 55, 178

This chest can be found after traveling through an underwater tunnel in Ambergris Key. The chest contains 4,000 Reales.

Chest 565, 539

You can find this chest buried under a palm tree in Jiguey. It contains 4,000 Reales.

Chest 442, 118

This chest can be found on the Eastern part of New Bone, near a windmill as the treasure map suggests. It contains 4,000 Reales. 

Chest 479, 487

This chest is in San Juan. You’ll need to go underwater here, take out two guards and go just to the right of the opening that leads to the next space. This chest contains the plans for Elite Fire Barrel Strength and 3,000 Reales. 

Chest 335, 469

This chest can be found on the left of the temple on Pinos Isle and contains the plans for Aquila’s Wheel as well as 3,000 Reales.

Chest 901, 263

You can find this chest on the Southwest corner of the smugglers cavern in Petite Caverne. It contains the plans for Elite Heavy Shot Storage and 3,000 Reales. 

Do you have any ideas about the locations of chests? Leave them in the comments below. 

A quick reference for all Assassin’s Creed 4: Black Flag collectibles

You can find more Assassin’s Creed 4 Black Flag Guides Here