Alpa 42 Sailboats for Sale

Sparkman & Stephens·1973·~8 hulls·Alpa
Alpa 42 drawingBuilder drawing
Hull Type
Monohull · fin
Rig
Ketch
LOA
39.37' · 12 m
Disp.
26,455 lbs · 12,000 kg
First year
1973

The Alpa 42 is a large fiberglass ketch designed by the American navalarchitecture firm Sparkman & Stephens in the early 1970s and built by the Italian yard Alpa Cantieri. A nearsistership to the later Zuanelli 42, it is a rare boat — only a handful were completed — yet it carries a design pedigree and a set of proportions that still reward a close look from anyone drawn to substantial bluewater cruisers of the period.

Market snapshot

Median asking · 12 mo
$82,869
Asking price · 6 listings
Recent listings · 90 d
2
6 tracked · 12 mo
3-month price trend
+7.0%
vs. 12-mo median
Countries with listings
2
Italy (66.7%) · Greece (33.3%)

Recent Listings

4 for sale · showing 10 newest

Alpa 42 Buyer's Guide

Shopping the brokerage market for an Alpa 42 means chasing a scarce 1970s Sparkman & Stephens ketch that the Italian yard Alpa Cantieri built in small numbers and that later continued under the Zuanelli 42 name. She is a large fiberglass cruiser with a fin keel and skeg rudder, originally offered with an inboard Perkins diesel, and the used fleet splits between owner three-cabin layouts and ex-charter boats — both turn up, with the charter history a common thread to check.

Layouts on the Used Market

Owner three-cabin arrangements are the more common configuration afloat, but ex-charter versions are also available, so a buyer should confirm which layout a given hull carries before negotiating. The ex-charter background is frequent enough that wear patterns, original fastenings, and refit history deserve extra scrutiny on those boats.

Equipment and Common Upgrades

The better-equipped 42s on the market commonly carry an inverter, solar, a chartplotter, AIS, and radar, with air conditioning and a bow thruster frequent as well; teak decks and a swim platform are also usual. For power and energy, the inverter and solar pairing matters most because they speak to how the boat has been modernized for unattended use. Navigation clusters built around the chartplotter, radar, and AIS are the safety-relevant items to verify at survey. Often-seen additions include a furling main, electric winches, autopilot, and heating — all of which ease short-handed ketch handling and shoulder-season cruising, while a bimini and hot water round out the comfort side.

What to Inspect

The available record raises no specific fault for the design, but the small build number means each hull stands on its own survey. Verify the original solid-GRP hull and deck for laminate integrity and fastening condition, confirm the Perkins diesel installation, and check the fin keel and skeg-hung rudder attachments. Her 1,473 pounds-per-inch immersion rate and 484 square feet of wetted surface make loading and antifouling condition directly visible in trim and steering feel.

Availability and Buyer's Takeaway

These boats turn up in Italy and Greece. For a buyer, the checklist is short and pointed: confirm the layout (owner three-cabin versus ex-charter), verify the commonly fitted power and navigation upgrades are operational, survey the solid-GRP hull and keel/rudder attachments, and budget for the thin-production-run reality of sparse class support.

Where they're listed

Alpa 42 listings appear across 2 countries. Italy has the most listings with 4 (66.7%), followed by Greece.

Median ask by country
USD
Share of listings
Count · past 12 months

Country view

6 listings · 2 countries
CountryMedian askListings · 12 moActive · 90 dShare
Italy$88,6954266.7%
Greece$81,1012033.3%

Comparable models

Similar length, displacement, and era. Open a row to compare that model's market page.

Similar boats to compare

4 similar designs
ModelLOAMedian askListings · 12 moActive · 90 d
Valiant 4242'$ 299,999183
Tartan 4242'$ 89,0001311
Challenger Anacapa 4242.92'$ 55,00088
Sparkman & Stephens 42You are here$ 82,86962

Frequently asked questions

01How much does a used Alpa 42 cost?+
The median asking price for a used Alpa 42 over the past 12 months is $82,869. Prices vary by condition, year, equipment, and location.
02How many Alpa 42 sailboats are for sale?+
2 Alpa 42 listings have gone live in the last 90 days, and 6 have been tracked across the past 12 months.
03Are Alpa 42 prices going up or down?+
The median asking price for the Alpa 42 is up 7.0% over the last 3 months compared with the 12-month median.
04Where are Alpa 42 sailboats for sale?+
The top markets for used Alpa 42 listings over the past 12 months are Italy (66.7%), Greece (33.3%).
05What should I look at instead of a Alpa 42?+
Comparable models include Valiant 42, Tartan 42, Challenger Anacapa 42. Use the comparison table above to check pricing and availability.