WHERE'S GILLIGAN? YOU WON'T FIND THE PROFESSOR OR MARY ANN ON JEWFISH KEY, BUT THE LOT PRICES WOULD BE JUST RIGHT FOR THE HOWELLS.(REAL ESTATE)

Byline: Dorothy Stockbridge-Pratt STAFF WRITER

Seclusion, waterfront, a nature preserve, wooded acre lots: Jewfish Key has all that. It's what it doesn't have that makes it special -- no cars, no phone lines, no cable television.

It's almost like TV's "Gilligan's Island," except you don't have to take "a three-hour tour" to get there.

Le Lenaire Drive, carved down the middle of the 38-acre island, actually is a pine-needle road that disappears into the woods near the south end. But nobody is coming by road, anyway. A motorized dingy will take you the short distance from the north end of Longboat Key, or you may want a classier craft to reach the acre lots that are priced from $250,000 to $300,000. Four wood-frame houses have been built, but they're hardly noticeable back among the trees. An underwater cable provides electricity to all 13 homesites, and well …