How do real salts moor a boat to a post?

A couple of my buddies are taking their entire family
out on a big houseboat for a week's
vacation on Lake Shasta in NoCal. They usually
end up driving a stake into the remote beaches
and mooring the boat to it. Last year they had a
few problems because no one knew any real knots.
The lead from the boat is very long, and they
often had to tie off the boat
with the middle of the rope. The boat was always
a different distance from shore.

They asked me what to do this yr since I'm supposed
to be Mr. Knot (not!), but I'm a lineman, not a sailor.
I suggested a round turn and 2 hh, but that's not too
convenient to tie into the middle of the rope. I'm
thinking loops, maybe. If they tied 4 or 5 butterflies
in the lead every 4 or 5 ft they could drop
whichever one was in the right spot right over the
post. Then they could use the same series of knots
day after day without having to retie every landing.

I dunno! We're dilettantes. I would like to know
what a real boater wld do.

Luke in Ca