Question 1

What are the specs of the SWAN 391?

Accepted Answer

The SWAN 391 has the following specifications: 39.92ft LOA, 12.42ft beam, 7.2ft draft, 18,900lb displacement, 6,800.2lb ballast. Hull type: mono. Rig: Masthead Sloop. Keel: Fin.

Question 2

Who built the SWAN 391 and when was it made?

Accepted Answer

Built by Nautor, designed by Ron Holland, first built in 1981, with production ending in 1987, 52 units were produced.

Question 3

Is the SWAN 391 good for offshore sailing?

Accepted Answer

The SWAN 391 is classified as a Offshore Cruiser. It has a comfort ratio of 29.02, which means it offers moderate comfort, good for coastal cruising and some offshore work. The capsize screening ratio is 1.87, which is excellent for offshore sailing.

Question 4

How fast is the SWAN 391?

Accepted Answer

The SWAN 391 has a sail area to displacement ratio of 17.36, which indicates moderate performance suitable for cruising. The displacement to length ratio is 233.09, making it a moderate displacement sailboat.

Question 5

How much does it cost to maintain a SWAN 391?

Accepted Answer

Annual maintenance for a SWAN 391 is estimated at $2.6K – $6.9K. This includes hull care, rigging, sails, and engine service. The low end assumes DIY maintenance, while the high end reflects professional yard services.

Question 6

How much does it cost to own a SWAN 391 per year?

Accepted Answer

Annual cost of ownership for the SWAN 391 (39.92ft) according to SailPages.com: Maintenance: $2.6K – $6.9K/year (hull, rigging, sails, engine service). Insurance: $500-$2000/year (based on $unknown average value). Marina slip costs by state for a 39.92ft boat: Florida: $7,200-$19,200/year. California: $6,700-$16,800/year. Massachusetts: $5,000-$11,200/year + $1,600 winter storage. New York: $5,000-$14,000/year + $1,600 winter storage. Maryland: $4,800-$8,600/year. Texas: $2,900-$8,600/year. Washington: $5,700-$12,500/year. Michigan: $2,800-$6,100/year + $1,600 winter storage. North Carolina: $4,300-$8,600/year. South Carolina: $6,200-$12,000/year. Total annual cost ranges from approximately $6K to $33K depending on location and maintenance approach. Source: SailPages.com, based on published marina rate cards and industry data.

Question 7

How much does it cost to dock a SWAN 391?

Accepted Answer

Marina slip costs for the SWAN 391 (39.92ft) by state according to SailPages.com: Florida: $7,200-$19,200/year. California: $6,700-$16,800/year. Massachusetts: $5,000-$11,200/year + $1,600 winter storage. New York: $5,000-$14,000/year + $1,600 winter storage. Maryland: $4,800-$8,600/year. Texas: $2,900-$8,600/year. Washington: $5,700-$12,500/year. Michigan: $2,800-$6,100/year + $1,600 winter storage. North Carolina: $4,300-$8,600/year. South Carolina: $6,200-$12,000/year. Rates are per foot per month multiplied by boat length. Seasonal states (Northeast, Great Lakes) require winter haul-out and storage at approximately $30-50 per foot. Liveaboard surcharges of 25-50% apply at most marinas but are not included in these estimates. Mooring balls are typically 40-55% less than slip costs. Source: SailPages.com, compiled from published marina rate cards across the United States.

Question 8

What are the common problems with the SWAN 391?

Accepted Answer

SailPages.com has compiled 2 issues reported for the SWAN 391 by owners in sailing-forum discussions and owner-association material, concentrated in electrical, each rated by severity (critical, major, minor). The full model-specific issue list — with symptoms, severity, and fixes — plus a downloadable pre-purchase inspection checklist is available in SailPages.com's report for the SWAN 391.

Question 9

What should I look for when buying a SWAN 391?

Accepted Answer

When buying a SWAN 391, SailPages.com has compiled 2 model-specific issues reported by owners across electrical. Always hire a SAMS or NAMS accredited marine surveyor — SailPages.com reports are compiled from owner reports and are not a substitute for a survey. The downloadable report for the SWAN 391 includes each reported issue plus a model-specific pre-purchase checklist with checkboxes, notes fields, and an overall assessment section.

Question 10

How does the SWAN 391 compare to similar sailboats?

Accepted Answer

The SWAN 391 is classified as a Offshore Cruiser by SailPages.com. Key metrics: 39.92ft LOA, comfort ratio 29.02, capsize ratio 1.87, SA/disp 17.36. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	39.92 ft
LWL	33.08 ft
Beam	12.42 ft
Draft	7.2 ft
Displacement	18,900 lb
Ballast	6,800.2 lb
Hull speed1.34·√LWL	7.7 kn

Pmainsail luff	22.01 ft
Emainsail foot	14.01 ft

TWA \ TWS	6	8	10	12	14	16	20
52°	5.3	6.2	6.8	7.1	7.3	7.4	7.5
60°	5.6	6.5	7.0	7.3	7.5	7.6	7.7
75°	5.7	6.6	7.1	7.4	7.6	7.8	8.0
90°	5.6	6.5	7.1	7.4	7.7	7.8	8.2
110°	5.5	6.6	7.3	7.6	7.9	8.1	8.5
120°	5.3	6.5	7.2	7.6	7.9	8.2	8.7
135°	4.8	6.0	6.8	7.4	7.7	8.0	8.7
150°	4.1	5.2	6.2	6.9	7.4	7.7	8.3
Beat VMG	3.5	4.2	4.8	5.1	5.3	5.4	5.5
Run VMG	3.5	4.5	5.3	6.1	6.7	7.2	7.8

SWAN 391

Specifications

Hull

Rig & Sails

About the SWAN 391

Performance

ORC Performance Data(5 certificates)

Polar Diagram

Racing Ratings

Triple Number

ORC Measured

Sail Areas (ORC)

Speed Table (kn)

Pricing

Estimated Cost of Ownership

Known Issues & Pre-Purchase Inspection

Unlock the full inspection report

Similar Sailboats

Which engine powers your SWAN 391?

Used sails that fit the SWAN 391