| “ | Boats gather Food from Fish and Coin from Whales faster. | ” |
| —In-game description | ||
Long Lines is a technology in Age of Empires III that can be researched at the Dock once the Commerce Age is researched and Gill Nets is researched. Once researched, it increases the gather rate of fishing boats by 30%.
Note: All canoes and the Marathan Catamaran have a base gather rate 2.5x slower than other vessels. See Food and Coin for exact totals.
| Dock technologies in Age of Empires III | |
|---|---|
| Shared |  Gill Nets ·  Long Lines ·  Armor Plating ·  Carronade ·  Percussion Lock ·  Ship's Howitzers |
| Native Americans |  Improved Cordage*** ·  River Raids*** ·  Rawhide Covers ( ) ·  Flaming Arrows ( ) ·  Cipactli Worship ( ) ·  Totora Reeds ( )* |
| Africans** |  River Skirmishes ·  Heavy Riverboats |
| * introduced in the Definitive Edition ** in The African Royals *** in Knights of the Mediterranean | |