It's a bit awkward, but less tedious than a city-by-city search
DSK
There are several other sources, of course. Check out "yachtworld.com"
for an overview of boats of all types and sizes (brokers involved). You
can limit the search as you like, e.g., to particular locations (within
100 miles of Kemah/Houston), size, type (sloop, cutter) make, age, etc.
Also, take a walk through Watergate or other marinas in the
Kemah/Seabrook area to check out boats with "for sale by owner" signs.