Question 1

What are the specs of the MARSTROM 20?

Accepted Answer

The MARSTROM 20 has the following specifications: 20ft LOA, 10ft beam, 5.41ft draft, 254lb displacement. Hull type: multi. Rig: Cat (rotating spar). Keel: Variable, Twin/Triple.

Question 2

How much does a MARSTROM 20 cost?

Accepted Answer

The MARSTROM 20 has an average asking price of $69,500, with prices ranging from $69,500 to $69,500 based on 1 listings.

Question 3

Who built the MARSTROM 20 and when was it made?

Accepted Answer

Built by Marström (SWE), designed by Goran Marström, first built in 2001, with production ending in 2005.

Question 4

Is the MARSTROM 20 good for offshore sailing?

Accepted Answer

The MARSTROM 20 is classified as a Catamaran / Multihull. It has a comfort ratio of 0.98, which means it has a sportier ride, better suited for coastal and protected waters. The capsize screening ratio is 6.32, which is best suited for coastal cruising.

Question 5

How fast is the MARSTROM 20?

Accepted Answer

The MARSTROM 20 has a sail area to displacement ratio of 94.63, which indicates high performance and good speed potential. The displacement to length ratio is 19.31, making it a light displacement sailboat.

Question 6

How much does it cost to maintain a MARSTROM 20?

Accepted Answer

Annual maintenance for a MARSTROM 20 is estimated at $500 – $1.3K. 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 MARSTROM 20 per year?

Accepted Answer

Annual cost of ownership for the MARSTROM 20 (20ft) according to SailPages.com: Maintenance: $500 – $1.3K/year (hull, rigging, sails, engine service). Insurance: $650-$1100/year (based on $69,500 average value). Marina slip costs by state for a 20ft boat: Florida: $3,600-$9,600/year. California: $3,400-$8,400/year. Massachusetts: $2,500-$5,600/year + $800 winter storage. New York: $2,500-$7,000/year + $800 winter storage. Maryland: $2,400-$4,300/year. Texas: $1,400-$4,300/year. Washington: $2,900-$6,200/year. Michigan: $1,400-$3,100/year + $800 winter storage. North Carolina: $2,200-$4,300/year. South Carolina: $3,100-$6,000/year. Total annual cost ranges from approximately $3K to $14K 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 MARSTROM 20?

Accepted Answer

Marina slip costs for the MARSTROM 20 (20ft) by state according to SailPages.com: Florida: $3,600-$9,600/year. California: $3,400-$8,400/year. Massachusetts: $2,500-$5,600/year + $800 winter storage. New York: $2,500-$7,000/year + $800 winter storage. Maryland: $2,400-$4,300/year. Texas: $1,400-$4,300/year. Washington: $2,900-$6,200/year. Michigan: $1,400-$3,100/year + $800 winter storage. North Carolina: $2,200-$4,300/year. South Carolina: $3,100-$6,000/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 9

What are the common problems with the MARSTROM 20?

Accepted Answer

SailPages.com has compiled 3 issues reported for the MARSTROM 20 by owners in sailing-forum discussions and owner-association material, concentrated in rudder, hull, 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 MARSTROM 20.

Question 10

What should I look for when buying a MARSTROM 20?

Accepted Answer

When buying a MARSTROM 20, SailPages.com has compiled 3 model-specific issues reported by owners across rudder, 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 MARSTROM 20 includes each reported issue plus a model-specific pre-purchase checklist with checkboxes, notes fields, and an overall assessment section.

Question 11

How does the MARSTROM 20 compare to similar sailboats?

Accepted Answer

The MARSTROM 20 is classified as a Catamaran / Multihull by SailPages.com. Key metrics: 20ft LOA, comfort ratio 0.98, capsize ratio 6.32, SA/disp 94.63, average price $69,500. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	20 ft
LWL	18.04 ft
Beam	10 ft
Draft	5.41 ft/ 0.98 ft min
Displacement	254 lb
Hull speed1.34·√LWL	5.7 kn

MARSTROM 20

Specifications

Hull

About the MARSTROM 20

Performance

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Estimated Cost of Ownership

Known Issues & Pre-Purchase Inspection

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