Here’s an in-depth overview of the 1988 Ocean Yachts 55 Super Sport (55 SS):

🛥️ General Profile & Styling

• Type: 55′8″ mid‑50s sportfisher/convertible from Ocean Yachts' popular Super Sport line, built between 1981–1990
• Hull: Modified‑V fiberglass hull with sleek yet aggressive lines—unbroken sheer, long foredeck, flybridge update in 1986 with solid windshield and black mask 
• Cockpit: Tournament‑class cockpit, ideal for serious fishing or casual cruising.

⚙️ Performance & Power

• Engines: Twin Detroit Diesel 8V‑92s at 735 hp each (1,500 hp total); top speed ~30–31 knots, cruise ~26–27 knots
• Fuel & Water Capacity: Massive fuel tank ~1,000 gal (3,785 L) and freshwater ~200 gal (757 L)
• Draft/Beam: About 4′4″ draft and 16′4″ beam (4.98 m × 4.98 m) 

🏠 Layout & Accommodations

• Below Decks: Three staterooms and two heads (bow master w/en‑suite, plus two guest cabins)
• Salon/Galley: Spacious salon with L‑sofa, dinette, wet bar; galley, includes electric stove, microwave/convection oven, fridge/freezer 
• Comforts: A/C, central vacuum, generous storage.

🎣 Deck & Flybridge Features

• Flybridge: Hardtop with overhead hatch, three‑side EZ2CY enclosure, updated ladder/davit etc
• Cockpit: Teak sole, covering boards, transom gate/door, rod outlets, livewell, chill plates and bait station standard on many models 
• Gear: Ideal Windlass, Marquipt davit, cockpit engine controls.

🔌 Systems & Electronics

• Generator: Westerbeke ~15 kW; freshwater/cooled,
• Electronics: Radar, GPS/chartplotter, autopilot, VHF, sounder, stereo –
• Electrical: 50A shore power, cables, battery chargers, hydraulic steering, synchronizer, Racor filters

📏 Specifications at a Glance

SpecDetailLOA55′8″ (16.76 m)Beam16′4″ (4.98 m)Draft4′4″ (≈1.3 m)Displacement~58,000 lbFuel/Water1,000 gal / 200 galEnginesTwin Detroit 8V-92 diesels, ~750 hp ea.Staterooms3Heads3

💡 Variant Notes

• Freshwater Great Lakes examples often show lower engine hours and more cruising than fishing .

✅ Summary

The 1988 Ocean 55 SS is a high-performance, stylish sportfisher with full cruising comforts—powerful twin diesels, tournament-style build, and spacious accommodations. It's known for blending sleek looks and speed with practical fishing and cruising layout. Over 170 were built, making it a popular and well-supported model . If you're into offshore fishing or long-range cruising with creature comforts, it offers a sweet middle ground.