List of largest lakes and seas in the Solar System
Listed below are the largest ocean, lakes and seas in the Solar System and beyond includes single bodies of water or other liquid on or near the surface of a solid round body (terrestrial planet, dwarf planet, or moon). Currently, cold surface bodies of liquid are found on two worlds in the Solar System, Earth and Saturn's moon Titan.
Source: Wikipedia — List of largest lakes and seas in the Solar System (CC BY-SA 4.0)