+1 Movement for all Naval units. +1 Sight for Naval combat units.
Unlocks the Louvre World Wonder.
Maritime Infrastructure Edit
Newly settled Cities start with a free Worker, 6 extra tiles, 2 extra Population, and +2 Happiness.
[Tier 2, Prereq: Maritime Infrastructure]
+2 Science in coastal Cities. +10% Combat Strength for Naval units.
Treasure Fleets Edit
[Tier 3, Prereq: Colonialism, Navigation School]
+1 Food, +1 Production, and +1 Gold from Coast and Ocean tiles without resources.
Unlocks purchasing Great Admirals.