*** SCHOONER ***

Basic (no upgrades): http://s21.postimg.org/gbfk8tddz/schooner.jpg
Upgraded (without front cannons): http://s30.postimg.org/4d3ap3loh/schooner2.jpg

Available on St. Lucia. Either buy it from drunkard in the pub upstairs for $5K or duel a certain captain outside and win the ship for free.


*** GALLEON ***

Basic: http://s14.postimg.org/hb13ake1d/galeon1.jpg
Upgraded (without front cannons): http://s10.postimg.org/pdj89piax/galeon2.jpg

Available in Bridgeport, open the map while there (M) and you can spot the seller on it, he's marked as Broke Captain. The price is $8K.


*** FRIGATE ***

Basic: http://s24.postimg.org/eevp6uqhh/frigate1.jpg
Upgraded (fully): http://s23.postimg.org/cqv2v7ykr/frigate2.jpg

You can buy it only after solving Luc Morel's quest in chapter 2 on Saint George's. Jacques de la Croix will sell it to you for $10K (visible on the map, near french governor).


*** WAR GALLEON ***

Basic: http://s18.postimg.org/84ts2ylk9/pic1.jpg
Upgraded (fully): http://s4.postimg.org/55oh0ndzx/pic2.jpg

You can buy this ship for $20K from Juan Mano in San Juan.


*** MAN-OF-WAR ***

Basic: http://s15.postimg.org/6hmlouip7/mow1.jpg
Upgraded (fully): http://s30.postimg.org/qtkdc3bsx/mow2.jpg

Available in very bad shape for $25K in Port Royal, the seller can be seen on the map (Humphrey Scottson). Bring at least $10K more to pay for hull/sails upgrades which will also repair the ship. You need a bit less cash ofc, but you'll need some for rations.


*** SHIP OF THE LINE ***

http://s21.postimg.org/esfj2nztz/pic.jpg

You can "borrow" it for free from Santiago prior to the final mainstory quest, not before.