MONTEREY REBATES UNTIL JULY 18!!! Winnisquam Marine pays 50% of the Rebate in addition to the Nationally Advertised Discount from Dealer!!! (Rebate/Discount is towards Boat, Freight and Prep. Ends July 18th, No Exceptions) The Monterey M-20 is a stylish and versatile boat designed for both new and experienced boaters. It features sleek lines, a patented Air Assist Chine for better performance, and family-friendly amenities like a swim platform, sundeck, ski tow, and ample storage.