The Sea Lion is a 1921 American silent adventure film directed by Rowland V. Lee, and starring Hobart Bosworth, Bessie Love, and Emory Johnson.

[4] Captain John Nelson (Hobart Bosworth) and his crew hunt whales on the high seas.

When the ship comes to port, Tom (Emory Johnson), a young man, joins the crew as a lookout.

Back on the seas, the ship's inexperienced crew mistakes the water supply as a leak and pumps it overboard.

The island is inhabited by two survivors of an earlier shipwreck, one of whom is a beautiful young Blossom (Bessie Love).