JohnH wrote:

Well, like I said, I don't have one. It appears that one could do a lot of
sightseeing and fishing with regular tanks. The towns don't appear to be
all that far apart.

http://www.cruisecortez.com/sancarloscruisingarea.htm

Those are not towns, John. The area is still very desolate. And besides,
the course would be West across the Gulf, not North along the coast. But
you ARE correct, regular tanks will do.

--
Skipper