While Summerset Rd and Seastar Lane are not next to each other, because of the ways the roads are directed they do get closer together the farther you travel the roads.
There is a walking path that takes you from Summerset to Seastar Lane, but it is a bit of a walk. Here is a Wiki/Google map that shows this area in excellent detail:
http://wikimapia.org/#lat=18.2584832&lon=-78.3623242&z=18&l=0&m=b
