Four rival nations
Explore 16 ports across England, France, Spain, and Holland.
Lost SeasThe Caribbean, 1640
Your story begins at sea.
Lost Seas is a free browser game set in 1640. Start as a simple pirate, then earn your reputation, build a crew, command ships, and make your fortune across the open seas.
Ships & crew
Build your fleet, recruit sailors, and take on ships at sea.
Make your name
Earn new titles, grow your wealth, and rise through the ranks.
Free to play
No ads, purchases, email address, or real name required.
Join the crew
Sign on as a pirate
Choose who you'll be. It's free to play, and you can begin without sharing an email address.
Already have a character?
Back aboard
The world beyond the horizon
A new life on the open seas
Sail between towns, hunt for treasure, trade, and take on rival ships. England, France, Spain, and Holland each hold four ports to discover, with their own atmosphere and imagery.
Four nations
Explore the ports and waters claimed by England, France, Spain, and Holland.
Build your name
Earn better titles, grow your crew, find stronger ships, and build your fortune.
Made to explore
Discover AI-created scenes, royalty-free music, and sound effects that shift as your voyage unfolds.
New to Lost Seas?
Get your bearings with the Player Guide
Learn the ropes of sailing, supplies, ships, crew, and life in the Caribbean.
A glimpse of the voyage