Question 1

What are the specs of the CAL 31?

Accepted Answer

The CAL 31 has the following specifications: 31.5ft LOA, 10ft beam, 5ft draft, 9,170lb displacement, 3,600.1lb ballast. Hull type: mono. Rig: Masthead Sloop. Keel: Fin.

Question 2

How much does a CAL 31 cost?

Accepted Answer

The CAL 31 has an average asking price of $17,067, with prices ranging from $10,500 to $28,000 based on 6 listings.

Question 3

Who built the CAL 31 and when was it made?

Accepted Answer

Built by Bangor Punta Marine, designed by William Lapworth, first built in 1979, with production ending in 1984.

Question 4

Is the CAL 31 good for offshore sailing?

Accepted Answer

The CAL 31 is classified as a Offshore Cruiser. It has a comfort ratio of 24.07, which means it offers moderate comfort, good for coastal cruising and some offshore work. The capsize screening ratio is 1.91, which is excellent for offshore sailing.

Question 5

How fast is the CAL 31?

Accepted Answer

The CAL 31 has a sail area to displacement ratio of 17.95, which indicates moderate performance suitable for cruising. The displacement to length ratio is 242.02, making it a moderate displacement sailboat.

Question 6

How much does it cost to maintain a CAL 31?

Accepted Answer

Annual maintenance for a CAL 31 is estimated at $1.6K – $4.2K. This includes hull care, rigging, sails, and engine service. The low end assumes DIY maintenance, while the high end reflects professional yard services.

Question 7

How much does it cost to own a CAL 31 per year?

Accepted Answer

Annual cost of ownership for the CAL 31 (31.5ft) according to SailPages.com: Maintenance: $1.6K – $4.2K/year (hull, rigging, sails, engine service). Insurance: $150-$250/year (based on $17,067 average value). Marina slip costs by state for a 31.5ft boat: Florida: $5,700-$15,100/year. California: $5,300-$13,200/year. Massachusetts: $4,000-$8,800/year + $1,300 winter storage. New York: $4,000-$11,000/year + $1,300 winter storage. Maryland: $3,800-$6,800/year. Texas: $2,300-$6,800/year. Washington: $4,500-$9,800/year. Michigan: $2,200-$4,900/year + $1,300 winter storage. North Carolina: $3,400-$6,800/year. South Carolina: $4,900-$9,500/year. Total annual cost ranges from approximately $4K to $23K depending on location and maintenance approach. Source: SailPages.com, based on published marina rate cards and industry data.

Question 8

How much does it cost to dock a CAL 31?

Accepted Answer

Marina slip costs for the CAL 31 (31.5ft) by state according to SailPages.com: Florida: $5,700-$15,100/year. California: $5,300-$13,200/year. Massachusetts: $4,000-$8,800/year + $1,300 winter storage. New York: $4,000-$11,000/year + $1,300 winter storage. Maryland: $3,800-$6,800/year. Texas: $2,300-$6,800/year. Washington: $4,500-$9,800/year. Michigan: $2,200-$4,900/year + $1,300 winter storage. North Carolina: $3,400-$6,800/year. South Carolina: $4,900-$9,500/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 9

What are the common problems with the CAL 31?

Accepted Answer

SailPages.com has compiled 20 issues reported for the CAL 31 by owners in sailing-forum discussions and owner-association material, concentrated in structural, engine, deck, rudder, rigging, 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 CAL 31.

Question 10

What should I look for when buying a CAL 31?

Accepted Answer

When buying a CAL 31, SailPages.com has compiled 20 model-specific issues reported by owners across structural, engine, deck, rudder, rigging, hull. 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 CAL 31 includes each reported issue plus a model-specific pre-purchase checklist with checkboxes, notes fields, and an overall assessment section.

Question 11

What are the sail dimensions of the CAL 31?

Accepted Answer

The CAL 31 has the following rig dimensions: I=41.5ft (foretriangle height), J=13.5ft (foretriangle base), P=35ft (mainsail luff), E=12ft (mainsail foot). Mainsail area: 506.9 sq ft. Jib area: 280.1 sq ft.

Question 12

How does the CAL 31 compare to similar sailboats?

Accepted Answer

The CAL 31 is classified as a Offshore Cruiser by SailPages.com. Key metrics: 31.5ft LOA, comfort ratio 24.07, capsize ratio 1.91, SA/disp 17.95, average price $17,067. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	31.5 ft
LWL	25.67 ft
Beam	10 ft
Draft	5 ft
Shoal Draft	4.25 ft(1.3 m)
Displacement	9,170 lb
Ballast	3,600.1 lb
Hull speed1.34·√LWL	6.8 kn

Iforetriangle height	41.5 ft
Jforetriangle base	13.5 ft
Pmainsail luff	35 ft
Emainsail foot	12 ft
FLforestay	13.5 ft
Mainsail	506.9 sq ft
Jib (100%)	280.1 sq ft
Spinnaker	476.2 sq ft

CAL 31

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About the CAL 31

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