GasLog Seattle is a 155 000 m3 tri-fuel diesel electric LNG carrier built in 2013 and operated by GasLog Ltd since delivery.

The LNG carrier is currently on a multi-year time charter with a wholly owned subsidiary of Royal Dutch Shell plc through December 2020. Shell has two consecutive 5-year extension options, which if exercised, would extend the charter for a period of either 5 or 10 years.