New to SUP

Whats up guys.....I'm a snowboarder looking to get into SUP starting this spring.  I rowed crew in high school, have surfed a little and snowboard a few times a week - so hoping my learning curve will not be that bad.  Looking to buy a board and paddle.....I need an 11'6'' long board with about an 82-84'' paddle.  Anyone know of a board shop in dirty jerz where I might be able to find used?

Thx