WIANNO SENIOR
Specifications
Hull
| LOA | 25 ft |
| LWL | 17.6 ft |
| Beam | 8 ft |
| Draft | 5.5 ft/ 2.5 ft min |
| Displacement | 4,100 lb |
| Ballast | 1,200.1 lb |
| Hull speed1.34·√LWL | 5.6 kn |
About the WIANNO SENIOR
The WIANNO SENIOR Knockabout was designed as a one-design day sailer for summer residents of Wianno, Cape Cod, and has remained the principal one-design class of the Wianno Yacht Club. Additional fleets were subsequently organized at the Hyannis, Hyannis Port, Bass River and Stone Horse Yacht Clubs. The original builder was the Crosby Yacht Building and Storage Co. in Osterville Mass, Cape Cod. The boat has remained a popular and competitive class on Nantucket Sound. Since 1914, about 180 boats have been built. Recent boats are of Fiberglass. About 140 still exist today. Most recent builder: E. M. Crosby Boatworks 48 Lombard Ave. West Barnstable, MA
Performance
Images
Pricing
We don't have market pricing data for the WIANNO SENIOR yet. If you own one, help other buyers — what did you pay for it? Reports build a community price estimate over time.
Estimated Cost of Ownership
Based on 25ft LOA. Actual costs vary by condition, usage, and local rates.
Known Issues & Pre-Purchase Inspection
We don't have enough data on the WIANNO SENIORyet to publish model-specific findings we'd stand behind — but here's a free general inspection checklist, built from our research into what actually goes wrong on boats of this kind.
Drawn from 7,029 documented issues across 2,391 models, ordered so the areas that most often turn up problems come first.
Own a WIANNO SENIOR? Reports from owners are what turn this into a model-specific checklist — and they're the reason the boats above it have one.
Similar Sailboats
Which engine powers your WIANNO SENIOR?
We haven't confirmed the engine for this model yet. If you own or know one, tell us — as owners report in, we build an accurate picture over time.
Already know your engine? Search all engines → to find its exact parts.
Used sails that fit the WIANNO SENIOR
Checking eBay for sails sized to this boat's rig…