Performance, Luxury & Proven Offshore Capability

Step aboard this exceptionally well-appointed Sealine T51, rare find in the U.S. market, a British-built motor yacht renowned for its sleek profile, intelligent layout, and outstanding sea-keeping ability. Powered by twin Cummins MTA-11-M 635HP diesel engines, this vessel delivers an ideal balance of performance, efficiency, and reliability—cruising comfortably in the low-20 knot range with a top end approaching 30 knots.

This T51 stands out as a true turnkey cruising yacht, offering the space, comfort, and capability typically found in much larger vessels, while maintaining the agility and efficiency of a 50-foot platform.

LLC owned with a transferrable slip at the well sought after Marriott Marquis Marina!

⭐ Highlights

• Highly desirable Cummins diesel power
• Proven offshore hull design
• Spacious flybridge and social layout
• Distinctive split-level salon / galley-down layout
• Forward master + guest cabins midships
• True 3-stateroom cruising yacht
• Strong performance with efficient operation
• Excellent liveaboard and entertaining capabilities

The Sealine T51 represents one of the best values in the 50-foot motor yacht class—offering luxury, performance, and versatility in a timeless design. Whether you're cruising the Southern California coast, entertaining at the dock, or planning longer passages, this yacht delivers a premium on-water experience!

Serious buyers will appreciate the balance of power, comfort, and pedigree this vessel offers.

⚙️ Performance & Handling

• Twin Cummins 635HP diesel engines (preferred power package)
• Comfortable cruising speed: ~23–25 knots
• Efficient long-range cruise: ~20–22 knots
• Approx. top speed: ~30 knots
• Deep-V hull design for confident offshore performance
• Smooth, stable ride in a variety of sea conditions

 Exterior & Flybridge

The expansive flybridge is designed for both command and entertainment, featuring generous seating, excellent visibility, and a social layout perfect for hosting guests underway or at anchor. Wide side decks and secure access points make movement around the vessel safe and effortless.

The aft cockpit offers a seamless transition to the swim platform, ideal for water access, boarding, or watersports, while also serving as an inviting outdoor lounge area.

 Interior & Accommodations

Inside, the T51 showcases classic European craftsmanship with a warm, upscale salon and panoramic windows that flood the space with natural light.

• Spacious main salon with comfortable seating and entertainment area
• Fully equipped galley with ample storage and functionality
• Three-stateroom layoutproviding exceptional overnight accommodations
  • Private owner’s suite with en-suite head
  • Well-appointed guest staterooms
  • Additional head with separate shower

The layout is ideal for extended cruising, family use, or entertaining multiple guests in comfort.

⛽ Range & Cruising Capability

With substantial fuel capacity and efficient diesel power, this T51 is capable of:

• ~230–280 nautical mile range at cruise
• Extended range at displacement speeds for longer passages

Perfect for coastal cruising, island hopping, or extended stays aboard!

Mariner’s Yacht & Ship Brokerage, Inc. offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. All speeds, measurements, capacities, consumption, etc. may be approximate or estimated.  Specifications provided for information only.  Data was obtained from sources believed to be reliable and is not guaranteed by owner or brokers.  Buyer assumes the responsibility to ascertain the correctness of all data contained herein and otherwise provided and must instruct his agent and surveyors to confirm all details for accuracy prior to purchase. This vessel is offered subject to prior sale, price change, or withdrawal without notice. All photographs, descriptions and technical data are the sole property of Mariner’s Yacht & Ship Brokerage, Inc. and may not be copied, reproduced or redistributed in part or in whole by any method without the express written consent of the Mariner’s Yacht & Ship Brokerage, Inc.

Owner's personal items are NOT included.