Endeavour 51 Buyer's Guide
Shopping the used Endeavour 51 means considering a 51-foot center-cockpit cruiser designed by Johan Valentijn and built by Endeavour Yacht Corporation from 1985, a yacht whose balsa-cored fiberglass hull and deck define both its comfort and its inspection priorities. These are vessels with a 15-foot beam and keel options, offered in both ex-charter and private-owner histories.
Layouts on the Used Market
Owner three-cabin layouts are the more common on the used market, but both are available; ex-charter examples are common. The private layout used a single aft master stateroom with head, while the charter version had two aft cabins each with its own head, and both shared a forward v-berth with port and starboard quarter berths.
Equipment and Common Upgrades
Power and energy systems on these boats commonly include air conditioning, lithium batteries, solar, and inverter setups, with Starlink and radar often fitted for offshore capability. Canvas and sail-handling upgrades frequently appear as bimini, dodger, and dinghy davits, while an autopilot is a standard convenience. Less commonly, buyers will find a furling main, electric winches, or a chartplotter as owner upgrades rather than original equipment.
What to Inspect
Because balsa is the sandwich core in both hull and deck, any penetration of that sandwich from past modifications or hardware must be checked so water has not reached the core balsa wood is used as sandwich core material. This is the central known vulnerability on the design and should lead any survey.
Availability and Buyer's Takeaway
Endeavour 51s are found in the United States market. A short checklist for the buyer: confirm whether the hull has wing or fin keel and the resulting draft; verify the aft-layout type and charter history; inspect all deck penetrations for balsa-core water ingress; and assess the lithium, solar, and autopilot upgrades for voyage readiness.
Price & volume trends
Monthly asking-price and listing-volume trends for the Endeavour 51. The line shows the median ask each month; the bars show how many listings appeared.
Monthly breakdown · 6 rows
| Month | Listings | Median ask | Δ vs. last mo. |
|---|---|---|---|
| Nov 25 | 2 | $119,000 | — |
| Dec 25 | 2 | $119,000 | 0.0% |
| Mar 26 | 1 | $129,000 | +8.4% |
| Apr 26 | 2 | $119,000 | -7.8% |
| May 26 | 2 | $124,000 | +4.2% |
| Jul 26 | 2 | $119,000 | -4.0% |
Where they're listed
Endeavour 51 listings appear across 1 country. United States has the most listings with 11.
Country view
11 listings · 1 country| Country | Median ask | Listings · 12 mo | Active · 90 d | Share |
|---|---|---|---|---|
| United States | $119,000 | 11 | 3 | 100.0% |
Comparable models
Similar length, displacement, and era. Open a row to compare that model's market page.
Similar boats to compare
6 similar designs| Model | LOA | Median ask | Listings · 12 mo | Active · 90 d |
|---|---|---|---|---|
| Bavaria Cruiser 51 | 49.21' | $ 230,725 | 70 | 13 |
| Endeavour Yachts 42 | 42.25' | $ 79,500 | 43 | 15 |
| Little Harbor 51 | 50.58' | $ 399,000 | 16 | 1 |
| Jeanneau Sun Odyssey 51 | 50.83' | $ 139,833 | 13 | 6 |
| Endeavour 51You are here | — | $ 119,000 | 11 | 3 |
| Morgan Out Island 51 | 51.5' | $ 106,615 | 10 | 4 |