Warehouse Key Location (Sugarcane & Yields) in AC Black Flag Resynced

The hardest portion of the Sugarcane and Yields quest in Assassin's Creed: Black Flag Resynced is navigating through the heavily guarded Cat Island to search for the warehouse key. You'll need to be stealthy while venturing deep into the island to find the officer carrying the key; otherwise, you are one alarm bell away from getting swarmed by guards. Here's a quick guide to retrieving the warehouse key on Cat Island to complete the Sugarcane and Yields main quest in AC Black Flag Resynced.