Model Specifications & Technical Data
- Manufacturer: Ocean Master Marine (Stuart, Florida, USA)
- Design Team: Mark Hauptner (Founder & President) and Charlie Modica
- Production Years: 1975–Present (Over 40+ years in continuous semi-custom production)
- Production Volume: ~400+ hulls produced to date (built one-at-a-time to customer spec)
- Production Facility: Stuart, Florida, USA
- Layout Configurations:
- Center Console (Standard with forward casting platform or Tournament Edition with flush foredeck)
- Walkaround (Compact cuddy cabin with V-berth, optional enclosed head/shower and galley)
- Express Sport Cabin / Super Console (Hardtop enclosure with overnighting cabin)
- Keel & Draft: Modified-V hull with 16° aft deadrise; Hull Draft: 1′ 4″ (16 inches)
- Mast / Air Draft: Power vessel; Air draft varies by T-top or optional full upper tuna tower with dual helm (typically 10’–14′ bridge clearance).
- Engine Configurations: Twin or Triple Outboards (Evinrude E-TEC, Yamaha, Mercury Verado, Suzuki Four-Strokes). Rated up to 750 Max HP.
- Drive Systems: Outboard engines mounted via traditional notched transom or heavy-duty Armstrong transom bracket.
- Major Optional Equipment: Upper tower with helm controls, fighting chair/rocket launcher, 75-gal livewell, in-deck fish boxes, outriggers, VacuFlush head.
- Model Evolution:
- 1975: Launched as one of the original big-game outboard canyon runners.
- 1993: Reworked hull bottom and widened hard chines for additional lift and stability.
- 1995: Retooled deck, raising sheer line ~3 inches for a deeper, safer cockpit.
- 1998: Completely redesigned cockpit with integrated forward insulated fish box, aft in-deck livewell, and vacuum-bagged inner liner.
- 2017: Integrated redesigned lifting strakes for running efficiency; introduced Tournament Edition flush foredeck.
Market Value Factors & Common Considerations
- Fuel Tank Condition: Legacy hulls (pre-1990s) feature buried aluminum fuel tanks beneath fiberglassed decks. Replacement requires cutting the deck if tanks exhibit corrosion over time.
- Repower Premium: Vessels repowered with modern four-stroke outboards (Yamaha, Suzuki, Mercury) command a significant price premium over older two-stroke packages.
- Wiring & Electronics Upgrades: Hand-built 20-layer fiberglass construction makes the hull virtually indestructible, but older models frequently require full electrical rewiring and console dash updates.
- Geographic Impact: Florida/Southeast vessels show higher engine hours due to year-round canyon access, whereas Mid-Atlantic and Northeast vessels often have lower hours due to seasonal layup.
Competitive Model Comparison
| Model | LOA | Beam | Draft | Deadrise (Aft) | Dry Weight | Fuel Capacity | Max HP |
| Ocean Master 31 CC | 30′ 7″ | 10′ 3″ | 1′ 4″ | 16° (Mod-V) | 6,500 lbs | 310 gal | 750 HP |
| Contender 31 Open | 31′ 0″ | 9′ 4″ | 1′ 6″ | 24.5° (Deep-V) | 5,850 lbs | 245 gal | 600 HP |
| Regulator 32 CC | 32′ 0″ | 10′ 5″ | 2′ 0″ | 24° (Deep-V) | 9,200 lbs | 310 gal | 700 HP |
| Jupiter 31 Open | 31′ 0″ | 9′ 6″ | 1′ 6″ | 24° (Deep-V) | 6,300 lbs | 260 gal | 600 HP |
Serious offshore anglers favor the Ocean Master 31 hull because it combines commercial-grade, rubuse construction with extreme drift stability, creating an overbuilt canyon runner designed to outlast its engines for decades.
- Rock-Solid Drift Stability: Unlike steep 24° deep-V competitors that roll aggressively when trolling or drifting, the 31’s 16° modified-V deadrise and wide 10′ 3″ beam keep the deck remarkably flat at rest, drastically reducing angler fatigue during long drift-fishing trips.
- Overbuilt “Bulletproof” Laminate: Built with up to 20 layers of hand-laid fiberglass and full-height fiberglass stringers, the solid hull absorbs brutal pounding without flexing, creaking, or developing structural stress cracks.
- Expansive Deck Footprint: The extra-wide 10′ 3″ beam yields over 90 square feet of open cockpit space behind the helm. This wide-open layout allows multiple anglers to fight pelagic fish simultaneously without stepping on one another.
- Canyon Range & Single-Engine Safety: Carrying up to 310 gallons of fuel, the hull delivers a 500- to 600-mile operating range. Crucially for offshore safety, the hull design generates enough lift to climb onto a plane on a single 300 HP outboard if one engine fails 80 miles off the coast.
- High Bow Flare for Dry Running: Designer Mark Hauptner incorporated an aggressive Palm Beach bow flare that pushes heavy ocean spray down and away from the cockpit, keeping anglers dry in quartering seas.
- Decade-Spanning Longevity: Because the solid laminate hull resists deterioration from sun, salt, and heavy use, owners frequently repower the same boat three or four times over a 30+ year lifespan rather than buying a new vessel.
The hull intentionally trades ultra-high top speeds for raw structural mass, fuel efficiency, and standing stability—a formula specifically engineered for serious offshore fishermen rather than fair-weather cruisers.