Lagoon 630PC Information, Review, Specs

Make
Lagoon
Model
630PC
Builder
Designer
Number Built

The Lagoon 630 Motor Yacht (630PC) represents a significant pivot for the French builder, marking their return to the power catamaran sector by leveraging one of their most successful sailing platforms. Launched in late 2014, the 630PC is built upon the same hull mold as the legendary Lagoon 620 sailing catamaran, but it is far more than a simple mast-removal exercise. Naval architects VPLP (Van Peteghem-Lauriot Prévost) meticulously redesigned the aft 20 percent of the underbody to accommodate the weight and thrust of twin diesel engines, preventing the "squatting" effect common in sailing hulls converted to power. This modification allows the 44-ton vessel to maintain a flat running angle even when pushed to its top speed. The result is a long-range "trawler-style" catamaran that prioritizes fuel efficiency and stability over raw velocity, creating what Yachting Magazine describes as a stable, oceangoing platform capable of transoceanic passages.

Sailing Performance & Handling

While the 630PC lacks sails, its performance is defined by the efficiency of its displacement-speed hulls. Most units are powered by twin Volvo Penta D4-300 engines, though some were fitted with the 260hp variant. At a sedate delivery speed of 8 to 9 knots, the vessel demonstrates remarkable economy; during the delivery of Hull No. 1 across the Atlantic, the crew reported fuel consumption as low as 3.17 gallons per hour, according to technical reviews in Motor Boat & Yachting. For coastal hops, the boat can reach a top speed of approximately 16 to 17 knots, though it settles most comfortably into a 10-knot cruise.

Handling is aided by the massive 32' 10" beam, which provides a level of roll resistance that monohull motor yachts of similar length cannot match. In following seas, the VPLP hull form tracks straight with minimal input, and the wide separation of the propellers makes close-quarters maneuvering intuitive, even before engaging the optional bow thruster. One noted drawback from a handling perspective is the salon's central support stanchion—a carryover from the 620’s mast compression post—which can obstruct the helmsman’s view from the interior navigation station.

Interior Comfort & Variations

The interior of the 630PC, designed by Nauta Design, was specifically recognized with the "Best Interior Design" award at the Invictus Yachts Trophies. With 6' 9" of headroom throughout the salon and cabins, the sense of volume is overwhelming. Lagoon offered several configurations to cater to both private owners and high-end charter operations, including 4, 5, and 6-cabin layouts.

The most popular "Owner's Version" features a lateral galley down in the port hull, which frees up the entire main salon for a massive lounging and dining area. This configuration allows the master suite in the starboard hull to feature a private entrance directly from the aft cockpit—a rare and highly prized feature for a yacht of this size. Alternatively, a "Central Galley" layout is available for those who prefer the chef to be part of the social action in the salon. Materials typically consist of Alpi wood finishes in oak or teak, complemented by leather accents and large vertical windows that flood the living spaces with natural light while minimizing heat gain compared to slanted skylights.

The Lagoon 630PC gained significant nautical credibility when Hull No. 1 completed an unassisted Atlantic crossing from the South of France to St. Martin via the Canary Islands. This 2,700-nautical-mile voyage served as a proof of concept for the model’s "Motor Yacht" designation, proving that with optional long-range fuel tanks (totaling approximately 1,200 gallons), the vessel is a true blue-water passagemaker rather than just a coastal cruiser.

Known Issues & Buyer’s Checklist

Prospective buyers should approach the 630PC with a technical checklist focused on its hybrid sail-to-power origins and complex systems:

  • Bulkhead Integrity: While the 630PC has not seen the same failure rates as smaller Lagoon models (like the 450), the "Lagoon bulkhead fiasco" remains a frequent topic in owner circles. Buyers should insist on an ultrasonic or thermal imaging scan of the main structural bulkheads to check for secondary bonding separation or tabbing issues.
  • Visibility Obstructions: The salon helm station features a thick central stanchion. On a sea trial, verify that this does not compromise safety for your specific height and seating preference, as some owners find it a significant blind spot during night passages.
  • Hydraulic Platform Maintenance: The tender lift platform is a high-stress component. Check for hydraulic fluid leaks and ensure the alignment of the platform has not been compromised by carrying an overweight RIB.
  • Balsa Core Moisture: The 630PC uses a balsa-core sandwich construction above the waterline. A moisture meter survey of the deck and cabin top is essential, particularly around aftermarket installations like satellite domes or additional solar panels.

Community & Resources

Owners of the 630PC typically find support through the Lagoon Owners Association, which provides a technical forum for sharing maintenance tips on the Volvo D4 engines and the complex Simrad navigation integration used in these hulls. Technical documentation and original build specs are often archived by the Lagoon factory service department in Bordeaux.

The Verdict

The Lagoon 630 Motor Yacht is a "loft on the water" that successfully bridges the gap between a slow-moving trawler and a luxury motoryacht.

Pros:

  • Massive Volume: Over 900 square feet of interior space provides living room equivalent to a small apartment.
  • Exceptional Range: Capable of crossing oceans at 8-10 knots with optional fuel tanks.
  • Stability: The twin-hull design offers a stable platform at anchor and in heavy following seas.
  • Layout Flexibility: Options for 4 to 6 cabins make it equally suitable for large families or luxury charter.

Cons:

  • Mooring Constraints: The nearly 33-foot beam can make finding slip space difficult and expensive.
  • Helm Visibility: The interior helm’s view is partially obscured by structural supports.
  • Speed Limitations: Not intended for owners seeking speeds above 17 knots.

Measurements

Construction & Hull

Construction Material
Hull Type
— Sailboat
Keel Type
Ballast
-
Displacement
-
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
-
Waterline Length (LWL)
-
Beam
-
Draft
-
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
-

Calculations

Sail Area / Displacement (SA/D) Ratio
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
Comfort Ratio
Capsize Screening Formula
Hull Speed
— kn