Commenting on such timely issues as rising sea levels and changing weather patterns, inhabitants of Toomey's nautical neighborhood include Sherman, an always-hungry but otherwise typical great white shark; his witty pearl-wearing wife, Megan; friendly Fillmore the turtle; geeky fish Ernest; macho hermit crab Hawthorne; and salty old Captain Quigley. Inside Sherman's Lagoon, these bottom-dwelling denizens offer under-the-sea hilarity, along with a real-life call to action in relation to protecting our environment, oceans, and all marine life.