marinetraffic.com track of the vessel, equipped with an automatic identification system (AIS) transponder, which is currently required for vessels of more than 299 gross tons. Data are presented for each ship includes:
Name of vessel and flag
Speed and course
photos of the ship
Link to more detailed information about the ship
The data is collected about 500 ground-based receiving stations around the world, so it does not include ships, which far out at sea or in remote areas. But it’s still an impressive amount of data.
Many other features can be found their website, including the version of Google Maps data, which shows a bit more information and a few features missing in Google Earth.