I don't see this becoming popular in Wburg/BK, but then again...

 

...

Wait, what's this? FreeWilliamsburg is reporting on a rumor that these dumpster pools may exist, or may soon exist, in Brooklyn! Some enterprising young lads called Macro-Sea say: “We heard about dumpster pools... and decided we wanted to do it this summer in Brooklyn as a test site/prototype. In

...

http://gothamist.com/2009/07/08/summer_in_the_burg_dumpster_diving.php

Gallery of dumpsters:

http://www.oliverbishopyoung.co.uk/conversions.html