After clearing Sequence 05, you will be able to have your own naval headquarters at the Great Inagua Cove. You can upgrade the area with stores such as a General Store, Tavern and Harbourmaster shops to make it more accessible and useful. Completing all the cove upgrades gives you the achievement ‘FTFY’. Below are the available in-game upgrades for your pirate headquarters:
* Unlock: Harbourmaster shop.
* Cost: 500 Reales
* Unlock: General Store.
* Cost: 700 Reales
* Unlock: Tavern
* Cost: 3500 Reales
* Unlock: Campfire
* Cost: 7000 Reales
* Enables you to hire Drunk Pirates for free
* Unlock: Brothel
* Cost: 15000 Reales
* Enables you to hire groups of dancers for free
* Unlock: Manor Façade
* Cost: 6000 Reales
* Unlock: Manor Tower and Gardens
* Cost: 18000 Reales
* Unlock: Manor Guest House
* Cost: 40000 Reales