Question 1

What are the specs of the ONTARIO 28?

Accepted Answer

The ONTARIO 28 has the following specifications: 28.58ft LOA, 10ft beam, 4ft draft, 6,800lb displacement, 2,900.2lb ballast. Hull type: mono. Rig: Masthead Sloop. Keel: Fin.

Question 2

Who built the ONTARIO 28 and when was it made?

Accepted Answer

Built by Ontario Yachts (CAN), designed by Henry Adriaanse, first built in 1978, with production ending in 1985, 45 units were produced.

Question 3

Is the ONTARIO 28 good for offshore sailing?

Accepted Answer

The ONTARIO 28 is classified as a Offshore Cruiser. It has a comfort ratio of 20.41, which means it offers moderate comfort, good for coastal cruising and some offshore work. The capsize screening ratio is 2.11, which is acceptable for offshore use.

Question 4

How fast is the ONTARIO 28?

Accepted Answer

The ONTARIO 28 has a sail area to displacement ratio of 17.89, which indicates moderate performance suitable for cruising. The displacement to length ratio is 285.1, making it a moderate displacement sailboat.

Question 5

How much does it cost to maintain a ONTARIO 28?

Accepted Answer

Annual maintenance for a ONTARIO 28 is estimated at $1.3K – $3.4K. 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 ONTARIO 28 per year?

Accepted Answer

Annual cost of ownership for the ONTARIO 28 (28.58ft) according to SailPages.com: Maintenance: $1.3K – $3.4K/year (hull, rigging, sails, engine service). Insurance: $500-$2000/year (based on $unknown average value). Marina slip costs by state for a 28.58ft boat: Florida: $5,100-$13,700/year. California: $4,800-$12,000/year. Massachusetts: $3,600-$8,000/year + $1,100 winter storage. New York: $3,600-$10,000/year + $1,100 winter storage. Maryland: $3,400-$6,200/year. Texas: $2,100-$6,200/year. Washington: $4,100-$8,900/year. Michigan: $2,000-$4,400/year + $1,100 winter storage. North Carolina: $3,100-$6,200/year. South Carolina: $4,500-$8,600/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 7

How much does it cost to dock a ONTARIO 28?

Accepted Answer

Marina slip costs for the ONTARIO 28 (28.58ft) by state according to SailPages.com: Florida: $5,100-$13,700/year. California: $4,800-$12,000/year. Massachusetts: $3,600-$8,000/year + $1,100 winter storage. New York: $3,600-$10,000/year + $1,100 winter storage. Maryland: $3,400-$6,200/year. Texas: $2,100-$6,200/year. Washington: $4,100-$8,900/year. Michigan: $2,000-$4,400/year + $1,100 winter storage. North Carolina: $3,100-$6,200/year. South Carolina: $4,500-$8,600/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 ONTARIO 28?

Accepted Answer

SailPages.com has compiled 2 issues reported for the ONTARIO 28 by owners in sailing-forum discussions and owner-association material, concentrated in plumbing, 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 ONTARIO 28.

Question 9

What should I look for when buying a ONTARIO 28?

Accepted Answer

When buying a ONTARIO 28, SailPages.com has compiled 2 model-specific issues reported by owners across plumbing. 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 ONTARIO 28 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 ONTARIO 28?

Accepted Answer

The ONTARIO 28 has the following rig dimensions: I=38ft (foretriangle height), J=11.5ft (foretriangle base), P=33ft (mainsail luff), E=11ft (mainsail foot). Mainsail area: 414.5 sq ft. Jib area: 218.5 sq ft.

Question 11

How does the ONTARIO 28 compare to similar sailboats?

Accepted Answer

The ONTARIO 28 is classified as a Offshore Cruiser by SailPages.com. Key metrics: 28.58ft LOA, comfort ratio 20.41, capsize ratio 2.11, SA/disp 17.89. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	28.58 ft
LWL	22 ft
Beam	10 ft
Draft	4 ft
Displacement	6,800 lb
Ballast	2,900.2 lb
Hull speed1.34·√LWL	6.3 kn

Iforetriangle height	38 ft
Jforetriangle base	11.5 ft
Pmainsail luff	33 ft
Emainsail foot	11 ft
FLforestay	11.5 ft
Mainsail	414.5 sq ft
Jib (100%)	218.5 sq ft
Spinnaker	371.5 sq ft

ONTARIO 28

Specifications

Hull

Rig & Sails

Engine

About the ONTARIO 28

Performance

Pricing

Estimated Cost of Ownership

Known Issues & Pre-Purchase Inspection

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Similar Sailboats

Engine Parts & Maintenance

Universal Atomic 4

Used sails that fit the ONTARIO 28