Boat on griddle is a period-2 oscillator consisting of a griddle stabilized by a boat.
Boat on griddle is about the fifty-fifth most common naturally-occurring oscillator in Achim Flammenkamp's census  and the 51st most common oscillator on Adam P. Goucher's Catagolue.
All strict still lifes with a population of 20 or fewer cells, as well as all oscillators and spaceships with 16 or fewer cells, are known to be glider-constructible. A glider synthesis of this object can be found in the infobox to the right.
- 16P2.87 at Heinrich Koenig's Game of Life Object Catalogs