Richard Castle's Hamptons Mansion in Castle Season 5, Episode 4: "Murder, He Wrote"
At long last, Kate Beckett finally accepted an invitation to Rick Castle's seaside mansion in Castle Season 5, Episode 4: "Murder, He Wrote," and let's just say, she was not disappointed — and neither were we! Check out some behind-the-scenes pictures of Castle's
humble sprawling abode, courtesy of the Castle art department. Oh, and you can pick your jaw up off the floor now.