False-color mosaic of synthetic aperture radar images showing part of Kraken Mare in the center and lower left, with large island Mayda Insula just above and right of center. Parts of Jingpo Lacus, Punga Mare, and Ligeia Mare can be seen at upper left, top right and far right, respectively.
Specular reflection off Jingpo Lacus in the Kraken Mare region, observed by Cassini on July 8, 2009
At 400,000 km², Kraken Mare is believed to be the largest of numerous seas and lakes in Titan's north polar region. Its status as a sea of hydrocarbons was identified by radar imagery. Only a portion of the sea has been imaged by radar, but its wider extent is indicated in visible light/infrared images that indicate a larger expanse. Kraken Mare is believed to be similar in size to the Caspian Sea.