SOUTHERN 21
Specifications
Hull
| LOA | 20.5 ft |
| LWL | 18 ft |
| Beam | 7.67 ft |
| Draft | 3.67 ft |
| Displacement | 1,900 lb |
| Hull speed1.34·√LWL | 5.7 kn |
Rig & Sails
| Iforetriangle height | 25.54 ft |
| Jforetriangle base | 8.3 ft |
| Pmainsail luff | 21.58 ft |
| Emainsail foot | 7.5 ft |
| FLforestay | 8.3 ft |
| Mainsail | 193.4 sq ft |
| Jib (100%) | 106 sq ft |
| Spinnaker | 180.2 sq ft |
About the SOUTHERN 21
Keel/centerboard version also available. Draft BU: 1.83'/.56m BD: 4.5'/1.37m
Performance
Pricing
We don't have market pricing data for the SOUTHERN 21 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 20.5ft LOA. Actual costs vary by condition, usage, and local rates.
Known Issues & Pre-Purchase Inspection
We don't have enough data on the SOUTHERN 21yet 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 SOUTHERN 21? 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 SOUTHERN 21?
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 SOUTHERN 21
Checking eBay for sails sized to this boat's rig…