Question 1

What are the specs of the JONMERI 48?

Accepted Answer

The JONMERI 48 has the following specifications: 47.64ft LOA, 15.54ft beam, 8.25ft draft, 34,480lb displacement, 15,653.9lb ballast. Hull type: mono. Rig: Masthead Sloop. Keel: Fin.

Question 2

Who built the JONMERI 48 and when was it made?

Accepted Answer

Built by Jonmeri (FIN), designed by Jorma Nyman/Karl-Johan Stråhlmann, first built in 1988.

Question 3

Is the JONMERI 48 good for offshore sailing?

Accepted Answer

The JONMERI 48 is classified as a Bluewater Cruiser. It has a comfort ratio of 32.6, which means it is very comfortable in a seaway, suitable for extended offshore passages. The capsize screening ratio is 1.91, which is excellent for offshore sailing.

Question 4

How fast is the JONMERI 48?

Accepted Answer

The JONMERI 48 has a sail area to displacement ratio of 17.82, which indicates moderate performance suitable for cruising. The displacement to length ratio is 239.08, making it a moderate displacement sailboat.

Question 5

How much does it cost to maintain a JONMERI 48?

Accepted Answer

Annual maintenance for a JONMERI 48 is estimated at $3.8K – $10K. 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 JONMERI 48 per year?

Accepted Answer

Annual cost of ownership for the JONMERI 48 (47.64ft) according to SailPages.com: Maintenance: $3.8K – $10K/year (hull, rigging, sails, engine service). Insurance: $500-$2000/year (based on $unknown average value). Marina slip costs by state for a 47.64ft boat: Florida: $8,600-$22,900/year. California: $8,000-$20,000/year. Massachusetts: $6,000-$13,300/year + $1,900 winter storage. New York: $6,000-$16,700/year + $1,900 winter storage. Maryland: $5,700-$10,300/year. Texas: $3,400-$10,300/year. Washington: $6,900-$14,900/year. Michigan: $3,300-$7,300/year + $1,900 winter storage. North Carolina: $5,100-$10,300/year. South Carolina: $7,400-$14,300/year. Total annual cost ranges from approximately $8K to $41K 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 JONMERI 48?

Accepted Answer

Marina slip costs for the JONMERI 48 (47.64ft) by state according to SailPages.com: Florida: $8,600-$22,900/year. California: $8,000-$20,000/year. Massachusetts: $6,000-$13,300/year + $1,900 winter storage. New York: $6,000-$16,700/year + $1,900 winter storage. Maryland: $5,700-$10,300/year. Texas: $3,400-$10,300/year. Washington: $6,900-$14,900/year. Michigan: $3,300-$7,300/year + $1,900 winter storage. North Carolina: $5,100-$10,300/year. South Carolina: $7,400-$14,300/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 JONMERI 48?

Accepted Answer

SailPages.com has compiled 1 issues reported for the JONMERI 48 by owners in sailing-forum discussions and owner-association material, concentrated in deck, 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 JONMERI 48.

Question 9

What should I look for when buying a JONMERI 48?

Accepted Answer

When buying a JONMERI 48, SailPages.com has compiled 1 model-specific issues reported by owners across deck. 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 JONMERI 48 includes each reported issue plus a model-specific pre-purchase checklist with checkboxes, notes fields, and an overall assessment section.

Question 10

What are the sail dimensions of the JONMERI 48?

Accepted Answer

The JONMERI 48 has the following rig dimensions: I=65.62ft (foretriangle height), J=18.86ft (foretriangle base), P=60.41ft (mainsail luff), E=18.4ft (mainsail foot). Mainsail area: 1219 sq ft. Jib area: 618.8 sq ft.

Question 11

How does the JONMERI 48 compare to similar sailboats?

Accepted Answer

The JONMERI 48 is classified as a Bluewater Cruiser by SailPages.com. Key metrics: 47.64ft LOA, comfort ratio 32.6, capsize ratio 1.91, SA/disp 17.82. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	47.64 ft
LWL	40.08 ft
Beam	15.54 ft
Draft	8.25 ft
Displacement	34,480 lb
Ballast	15,653.9 lb
Hull speed1.34·√LWL	8.5 kn

Iforetriangle height	65.62 ft
Jforetriangle base	18.86 ft
Pmainsail luff	60.41 ft
Emainsail foot	18.4 ft
FLforestay	18.9 ft
Mainsail	1,219 sq ft
Jib (100%)	618.8 sq ft
Spinnaker	1,052 sq ft

JONMERI 48

Specifications

Hull

Rig & Sails

About the JONMERI 48

Performance

Pricing

Estimated Cost of Ownership

Known Issues & Pre-Purchase Inspection

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