Popular ports

Port Peril part of the mainland, Capitol of the Shackles.
Hell Harbor, in Devil's Arches, early Shackles town founded in Ghol-Ghan ruins.
Quent, on Motaku Isle, second-biggest harbor after Port Peril.
Drenchport of Tempest Cay, north most port of the Shackles, and closest to the Eye of Abendego.
Queen Bes, quiet settlement dedicated to Besmara, on the island Besmara's Throne. 
Cho-Tzu in Senchu Bay, a colony of natives from the faraway eastern lands of Tian Xia.
Little Oppara of Taldas Isle, a small, picturesque settlement created by forign nobles-turned-pirates.
Genzei of Ushinawa Isles, another colony of those from Tian Xia ruled by their own Shogun. 

…and many, many more in the Shackles alone!
 

Popular ports

The Pirates who don't do anything Captain_Mendez Captain_Mendez