Swan 40 Buyer's Guide
Shopping the brokerage market for a classic S&S Swan 40 means weighing a 1970–1972 Sparkman & Stephens design against its finite production of 51 hulls. These 39-foot Swedish-built sloops carry a lead fin keel, skeg rudder, and a three-cabin interior that has aged into a recognizable cruiser-racer profile. Knowing which layouts and upgrades tend to appear, and what to inspect, separates a sound purchase from a tired one.
Layouts on the Used Market
Charter four-cabin arrangements are the more common configuration seen among used Swan 40s, though the original three-cabin sleeping plan for six remains available. Ex-charter examples are common, so buyers should expect wear consistent with fleet use alongside privately maintained boats. The standard interior places the galley to starboard at the companionway, navigation station opposite to port, and a teak-finished main saloon with settee berths.
Equipment and Common Upgrades
Most boats on the market carry a chartplotter, heating, and spinnaker as commonly fitted equipment, with an asymmetric spinnaker, teak decks, autopilot, life raft, hot water, bimini, and swim platform often seen. A frequent owner upgrade cluster runs to solar and inverter for power independence, while a gennaker and bow thruster appear as less common refinements. For a buyer, the practical takeaway is that canvas and sail-handling gear (bimini, asymmetric spinnaker) and energy additions (solar, inverter) are the variables to verify rather than assume.
What to Inspect
The deck is FRP with a balsa core, so survey the balsa-cored deck for insulation and rigidity and probe for softening that signals core saturation. The lead fin keel is bolted to the hull with stainless steel bolts; check those stainless steel keel bolts for corrosion or weeping at the hull joint. If considering the optional centerboard version, the steel board is operated by a cockpit winch and the shorter fin has a slot — inspect the trunk and actuator for rust or binding. The Volvo Penta MD2B diesel with two-blade propeller and 40-gallon tank is standard; confirm starting, cooling, and shaft condition.
Availability and Buyer's Takeaway
These yachts typically appear in the United Kingdom, United States, Germany, Australia, Guernsey, and France. For a buyer, the short checklist is: confirm original three-cabin versus charter four-cabin layout, test the balsa deck and keel bolts, verify centerboard mechanism if fitted, and assess solar or inverter upgrades as owner-installed rather than factory. A sound example rewards with a tuned masthead rig, practical accommodations, and a defined place in Swan history.
Price & volume trends
Monthly asking-price and listing-volume trends for the Swan 40. The line shows the median ask each month; the bars show how many listings appeared.
Monthly breakdown · 8 rows
| Month | Listings | Median ask | Δ vs. last mo. |
|---|---|---|---|
| Jun 25 | 2 | $97,000 | — |
| Sep 25 | 2 | $216,053 | +122.7% |
| Nov 25 | 2 | $80,153 | -62.9% |
| Dec 25 | 1 | $50,000 | -37.6% |
| Jan 26 | 1 | $131,981 | +164.0% |
| Mar 26 | 1 | $102,550 | -22.3% |
| Apr 26 | 2 | $142,733 | +39.2% |
| Aug 26 | 5 | $128,071 | -10.3% |
Where they're listed
Swan 40 listings appear across 7 countries. United Kingdom has the most listings with 5 (35.7%), followed by Australia and Germany.
Country view
14 listings · 7 countries| Country | Median ask | Listings · 12 mo | Active · 90 d | Share |
|---|---|---|---|---|
| United Kingdom | $80,153 | 5 | 1 | 35.7% |
| Australia | $112,614 | 2 | 1 | 14.3% |
| Germany | $227,984 | 2 | 1 | 14.3% |
| Guernsey | $204,308 | 2 | 1 | 14.3% |
| France | $102,550 | 1 | 0 | 7.1% |
| Netherlands | $128,071 | 1 | 1 | 7.1% |
| United States | $50,000 | 1 | 0 | 7.1% |
Comparable models
Similar length, displacement, and era. Open a row to compare that model's market page.
Similar boats to compare
3 similar designs| Model | LOA | Median ask | Listings · 12 mo | Active · 90 d |
|---|---|---|---|---|
| Swan 40You are here | — | $ 115,304 | 14 | 5 |
| Tartan 40 | 40.25' | $ 89,900 | 13 | 3 |
| Jonmeri 40 | 39.69' | $ 67,450 | 8 | 3 |