Standard Features
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Cobalt's New Platform Boat

The ML4 is nothing if not adaptable.

A rare combination of luxury, performance, and recreational opportunity, the ML4 can be as relaxing or exhilarating as the moment need be. It's the perfect platform for swimming, wakeboarding, fishing, diving, leisurely cruising, or most any impromptu waterborne get-togethers.

The ML4 innovative hull design features large tube diameters, lifting strakes, and chines to produce a noticeably different ride as comfortable in coastal chop as on a mirrored lake, with a quickness to respond and controlled stability in turns. Hulls of premium high gauge aluminum are bolted through a structural stringer system to an upper fiberglass deck for superior rot-free construction. The Marker One patent-pending power wedge flotation means the deck maintains a level feel even with the weight of a maximum horsepower engine astern.

Vast seating surfaces and open spaces are created by the wide interior beam. Inside find cavernous storage compartments for every creature comfort. Even the cooler has dedicated slide-in rack storage.

At the helm, you'll find a leather-wrapped sport wheel, aluminum dash panels with optional ebony Makassar accents, sealed stainless steel switches and dual digital multifunction gauges. Not to mention, a stainless steel framed tempered glass windshield provides the perfect deflection of the breeze. For the audiophiles, a Bluetooth enabled stereo system allows wireless connection to your favorite device – all controlled at multiple locations.

The exclusive swim step provides a platform underneath the water’s surface – perfect for boarding. Use it as a ladder, a swim step, or relax and let your four-legged friend easily climb aboard as she does the fetch and release.

The ML4 exceeds your expectations, making you feel confident and safe on the water while everyone else enjoys its bliss. And at the end of the day when all the waterborne fun has been had, this platform style boat will dock and be ready to do it all again tomorrow.


Marker One
Model Year
ML 4
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Stock Number


Length (feet)
Length Overall
24 ft. 10 in. (7.57 m)
8 ft. 6 in. (2.59 m)
88 in. (2.23 m) interior cockpit
Bridge Clearance
71 in. (1.8 m) without bimini
110 in. (2.79 m) with bimini
Draft (max)
33 in. (0.84 m)
Draft (drive up)
15 in. (0.38 m)
4,600 lbs. (2,086 kg) with engine


Hull Type
Hull Material

Engine & Drivetrain

Engine Make
Engine Model
250XL Verado
Engine(s) (std)
Mercury 200 Verado with PAS
Fuel Type
Fuel Tank Capacity
55 gal. (208 l)
Drive Type


Maximum Capacity
2,400 lbs. (1,089 kg) with engine and gear
Maximum People
12 persons


Custom Heritage Trailer

Standard Features

Cockpit Configuration
 Cockpit seat - starboard  
Dash and Instrumentation
 Accessory power plug, 12V (2)  
 Black leather / stainless steel steering wheel  
 Compass, digital  
 Composite helm eyebrow, custom stitching  
 Composite painted dash panels  
 Depth and water / air temp gauge package.  
 Hour meter  
 Illuminated switch panel / switches  
 Stainless steel switches  
Entertainment System
 Sound system, Bluetooth / MP3 with 6 speakers.  
 Aft sunpad with adjustable backrests  
 Carpet, 40 oz., snap-in with Neoprene back  
 Cupholders, stainless steel (19)  
 Helm seat, flip up / swiveling  
 In-floor ski and equipment locker  
 LED lighting, cockpit  
 Seating Varadense comfort  
 Walk-thru gate, bow and transom  
 Graphics, molded-in gelcoat  
 Ladder, swim platform, stainless steel (starboard)  
 Stainless steel cleats, bow, midship and stern  
 Stainless steel rubrail  
 Swim platform, molded-in  
Structure and Safety
 Automatic bilge pump  
 Composite deck with molded-in non-skid  
 Fire extinguisher, manual  
 Ignition safety switch  
 Integrated lifting strakes  
 Power wedge deck design  
 Single battery switch  
 Triple hulls with reinforced nose cones  

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