What is that?

If you know, let us know. Send your responses to [email protected] or phone at (631) 749-1000, extension 18.

Jennifer Allen was the early bird, identifying last week’s mystery photo (see below) as “the changing rooms at the Shelter Island Heights Beach Club at North Ferry.”

Richard Loper also had summer on his mind, writing us via Facebook to identify the club.

And — should we say, of course? Tom Speeches wrote in with the correct answer.