Alas. But, thankfully, none for the E-D having such a thing.
Why do you care, if its part of the standard design then all Galaxy Class starships come with captain's yachts whether the captain wants to use them or not, it is actually attached to the bottom of the Saucer section. Yep that's where the blueprints say it is. The enterprise has a lot of things that aren't shown in the show, including cetean water tanks, some of its crewmembers are dolphins and other aquatic creatures.