Trivia about Mercy Reef.
- Will Toale was originally cast as Arthur Curry but left due to creative differences.
- The creation of this pilot stemmed from the episode "Aqua". Alan Ritchson played Arthur Curry in the episode but he was not considered for the pilot because the creators did not want it to be a spin-off from "Smallville".
- After the pilot was not picked up, it was released for download on iTunes and was the #1 downloaded program. It was the first unsold pilot to be available on iTunes.