Here is the full list of all 60 Man O' War: Corsair - there are Warhammer Naval Battles achievements.
Sink 1000 ships.
Sink 200 ships.
Slay 50 sea monsters.
Visit every non-pirate port in a single campaign.
Recruit wizards from all eight Colleges of Magic.
Recruit a Light Wizard.
Recruit an Amethyst Wizard.
Slay 5 sea monsters.
Recruit an Amber Wizard.
Recruit a Celestial Wizard.
Sink 10 Dwarf vessels.
Sink a Dreadnought.
Sink a Monitor.
Sink an Ironclad.
Sink a Nautilus.
Sink 10 Dark Elf vessels.
Sink 10 Tilean vessels.
Sink 10 Estalian vessels.
Sink 10 Kislevite vessels.
Sink 10 Empire vessels.
Sink 10 High Elf vessels.
Sink 50 ships.
Sink 10 Skaven vessels.
Sink a Doombringer.
Sink a Deathburner.
Sink a Hell-hammer.
Sink an Ironfist.
Sink a Warp-raider.
Sink a Dragonship.
Sink an Eagleship.
Sink a Death Fortress.
Sink a Doomreaver.
Sink a Hellship.
Sink a Hellslicer.
Sink 10 Chaos vessels.
Sink a Hellrammer.
Sink a Plagueship.
Sink a Plaguecrusher.
Sink a Bloodship.
Sink an Ironshark.
Sink a Galleon.
Sink 10 pirate vessels.
Sink a Greatship.
Send a Great Winged Terror back to the Warp.
Send a Bane Tower of Tzeentch back to the Warp.
Sink 10 Orc vessels.
Sink 20 ships.
Sink a Hawkship.
Recruit a Grey Wizard.
Recruit a Jade Wizard.
Recruit a Bright Wizard.
Recruit a Gold Wizard.
Sink a Drillakilla.
Sink a Deathgalley.
Sink a Buccaneer.
Sink a Corsair.
Sink a Wolfship.
Sink a Wargalley.
Sink a Bigchukka.
Sink a Hulk.