The surfing sequences are by well-respected surfers Brock Little, Keala Kennelly, Dan Malloy, John John Florence, Shane Beschen, and Herbie Fletcher.
Imperial Beach was paid seven hundred fifty dollars per day of filming.
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.
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.