I like the Perko 0945-0965 flush mount. Less obtrusive. Deadly D brings up a good point. If you don't have a mast head light ( most bay boats don't), you can use an all around stern light but it must be one meter( 3.3 ft) above the side lights. Check this out:
http://boatsafe.com/nauticalknowhow/sidelights.htm It sounds like boats like the Pathfinders with the flush mounted sidelights below the rub rail may not be legal. The Pathfinders sure look good to me.
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