Lagoon 400 Buyer's Guide
Shopping the used Lagoon 400 means considering a third-generation Lagoon catamaran launched in 2009 and with over 500 examples sold, with both private and ex-charter histories well represented in the brokerage pool. The boat’s 39-foot-3-inch length and 23-foot-9-inch beam make for a substantial coastal-and-offshore platform, and its twin-diesel layout has aged into a familiar, serviceable cruiser for couples and families alike.
Layouts on the Used Market
Owner three-cabin and charter four-cabin layouts are both well represented on the used market, and ex-charter examples are common. The three-cabin version provides an enormous owner hull with office and bath plus stowage space that could accept an optional washing machine, while the four-cabin charter arrangement maximizes berth count. Across layouts, the saloon benefits from vertical wraparound ports and beech joinery, with aft double berths set low in the hulls and forward V-berth fillers sliding away to expose large lockers. A molded-in dish drainer and optional second fridge or freezer shape galley planning, though provision stowage shrinks if that second cold box is fitted.
Equipment and Common Upgrades
On the used market, chartplotter, solar, bimini, inverter, watermaker, electric winches, and autopilot are commonly fitted, and many models left the factory with electric winches already installed. Often-seen equipment includes lithium batteries, air conditioning, heating, cockpit shower, radar, life raft, dinghy davits, freezer, and AIS. Less common owner additions range from gennaker, hot water, and asymmetric spinnaker to washing machine, EPIRB, spinnaker, furling main, trampoline, and Starlink. The standard propulsion was two 29 hp motors, with 40 hp pairs offered as an option, and the tall rig was available with an optional square-headed mainsail.
What to Inspect
Documented known issues center on details rather than structure. Cruising World’s Boat of the Year judges found it hard to operate the latch locking open the saloon sliding door and window, so verify smooth operation and seating. The same judges were concerned that children could access the saloon electrical panel, a condition preventable by a lock but worth confirming on any boat with kids aboard. A tester noted the lack of a step onto the cabin top, complicating access to the mainsail pouch for zipping. Check also whether a second fridge or freezer has been installed and how it affects provision stowage, since overhead cabinets were a planned future fix rather than a guaranteed factory item. Finally, exercise the boat in a crosswind to feel the significant windage with the wind on the beam while maneuvering in the harbor.
Availability and Buyer's Takeaway
Typical markets for the used Lagoon 400 include the United States, Croatia, Greece, France, Italy, and Malaysia. When inspecting a candidate, confirm the twin-diesel gearbox responsiveness for close-quarters control, check the saloon door latch and electrical-panel accessibility, verify whether a second fridge compromises stowage, and assess rig and sail-handling gear including the optional square-head main and electric winches. Choose a layout matching intended use — three-cabin owner or four-cabin charter — and budget for the commonly fitted cruising equipment already present on most examples.
Price & volume trends
Monthly asking-price and listing-volume trends for the Lagoon 400. The line shows the median ask each month; the bars show how many listings appeared.
Monthly breakdown · 19 rows
| Month | Listings | Median ask | Δ vs. last mo. |
|---|---|---|---|
| Jan 25 | 2 | $ 328,423 | — |
| Feb 25 | 7 | $ 296,373 | -9.8% |
| Mar 25 | 2 | $ 329,393 | +11.1% |
| Apr 25 | 3 | $ 349,900 | +6.2% |
| May 25 | 3 | $ 376,474 | +7.6% |
| Jun 25 | 4 | $ 364,450 | -3.2% |
| Jul 25 | 10 | $ 298,259 | -18.2% |
| Aug 25 | 13 | $ 325,000 | +9.0% |
| Sep 25 | 27 | $ 350,000 | +7.7% |
| Oct 25 | 6 | $ 291,393 | -16.7% |
| Nov 25 | 6 | $ 294,656 | +1.1% |
| Dec 25 | 1 | $ 320,403 | +8.7% |
| Jan 26 | 22 | $ 299,000 | -6.7% |
| Feb 26 | 4 | $ 344,119 | +15.1% |
| Mar 26 | 9 | $ 285,000 | -17.2% |
| Apr 26 | 70 | $ 314,682 | +10.4% |
| May 26 | 22 | $ 365,227 | +16.1% |
| Jun 26 | 15 | $ 299,000 | -18.1% |
| Jul 26 | 7 | $ 315,000 | +5.4% |
Where they're listed
Lagoon 400 listings appear across 24 countries. United States has the most listings with 41 (21.6%), followed by Croatia and Greece.
Country view
190 listings · 24 countries| Country | Median ask | Listings · 12 mo | Active · 90 d | Share |
|---|---|---|---|---|
| United States | $ 350,000 | 41 | 12 | 21.6% |
| Croatia | $ 274,631 | 32 | 6 | 16.8% |
| Greece | $ 303,239 | 24 | 4 | 12.6% |
| France | $ 328,413 | 16 | 4 | 8.4% |
| Italy | $ 360,454 | 9 | 1 | 4.7% |
| Malaysia | $ 290,308 | 9 | 0 | 4.7% |
| Thailand | $ 285,000 | 7 | 3 | 3.7% |
| Turkey | $ 315,000 | 7 | 2 | 3.7% |
| Australia | $ 391,858 | 5 | 1 | 2.6% |
| Antigua and Barbuda | $ 299,000 | 4 | 1 | 2.1% |
| Spain | $ 339,856 | 4 | 3 | 2.1% |
| Montenegro | $ 274,059 | 4 | 1 | 2.1% |
Comparable models
Similar length, displacement, and era. Open a row to compare that model's market page.
Similar boats to compare
11 similar designs| Model | LOA | Median ask | Listings · 12 mo | Active · 90 d |
|---|---|---|---|---|
| LAGOON 380 | 37.89' | $ 221,569 | 368 | 89 |
| LAGOON 40 | 38.52' | $ 369,000 | 296 | 54 |
| Lagoon 400You are here | — | $ 315,000 | 209 | 52 |
| Lagoon 410 | 40.58' | $ 210,000 | 56 | 16 |
| Beneteau Oceanis 400 | 40' | $ 69,900 | 53 | 16 |
| Catana 4.0 | 39.14' | $ 342,145 | 47 | 8 |
| Catalina 400 | 40.5' | $ 99,000 | 45 | 10 |
| Catalina 400 Mk II | 41.5' | $ 140,000 | 45 | 11 |
| Beneteau Oceanis Oceanis 400 CC | 41' | $ 104,340 | 37 | 14 |
| Lagoon 38 | 43.04' | $ 518,046 | 30 | 12 |
| Admiral Admiral 40 | 40' | $ 199,990 | 17 | 7 |