The surfing sequences are by well-respected surfers Brock Little, Keala Kennelly, Dan Malloy, John John Florence, Shane Beschen, and Herbie Fletcher.
Rebecca De Mornay is only ten years older than her on-screen son Brian Van Holt. Bruce Greenwood, his on-screen father, is only thirteen years older than him.
Imperial Beach was paid seven hundred fifty dollars per day of filming.
Creator David Milch met Greyson Fletcher on-set, and thought he would be perfect for the role, as he was an excellent skateboarder.
The name "Monad" may have come from "Monism", a philosophy which states that all things are one. Greek philosophers referred to "The Monad" as "The Builder", and that all things are composed of monads.