Question 1

What are the specs of the O'DAY 28 (323-440)?

Accepted Answer

The O'DAY 28 (323-440) has the following specifications: 28.25ft LOA, 10.25ft beam, 4.7ft draft, 7,450lb displacement. Hull type: mono. Rig: Masthead Sloop. Keel: Fin.

Question 2

Who built the O'DAY 28 (323-440) and when was it made?

Accepted Answer

Built by O'Day Corp. (USA), designed by C. Raymond Hunt and Associates, first built in 1980, with production ending in 1986.

Question 3

Is the O'DAY 28 (323-440) good for offshore sailing?

Accepted Answer

The O'DAY 28 (323-440) is classified as a Offshore Cruiser. It has a comfort ratio of 21.26, which means it offers moderate comfort, good for coastal cruising and some offshore work. The capsize screening ratio is 2.1, which is acceptable for offshore use.

Question 4

How fast is the O'DAY 28 (323-440)?

Accepted Answer

The O'DAY 28 (323-440) has a sail area to displacement ratio of 15.57, which indicates a more conservative sail plan focused on comfort over speed. The displacement to length ratio is 282.46, making it a moderate displacement sailboat.

Question 5

How much does it cost to maintain a O'DAY 28 (323-440)?

Accepted Answer

Annual maintenance for a O'DAY 28 (323-440) is estimated at $1.2K – $3.3K. This includes hull care, rigging, sails, and engine service. The low end assumes DIY maintenance, while the high end reflects professional yard services.

Question 6

How much does it cost to own a O'DAY 28 (323-440) per year?

Accepted Answer

Annual cost of ownership for the O'DAY 28 (323-440) (28.25ft) according to SailPages.com: Maintenance: $1.2K – $3.3K/year (hull, rigging, sails, engine service). Insurance: $500-$2000/year (based on $unknown average value). Marina slip costs by state for a 28.25ft boat: Florida: $5,100-$13,600/year. California: $4,700-$11,900/year. Massachusetts: $3,600-$7,900/year + $1,100 winter storage. New York: $3,600-$9,900/year + $1,100 winter storage. Maryland: $3,400-$6,100/year. Texas: $2,000-$6,100/year. Washington: $4,100-$8,800/year. Michigan: $2,000-$4,400/year + $1,100 winter storage. North Carolina: $3,100-$6,100/year. South Carolina: $4,400-$8,500/year. Total annual cost ranges from approximately $4K to $22K 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 O'DAY 28 (323-440)?

Accepted Answer

Marina slip costs for the O'DAY 28 (323-440) (28.25ft) by state according to SailPages.com: Florida: $5,100-$13,600/year. California: $4,700-$11,900/year. Massachusetts: $3,600-$7,900/year + $1,100 winter storage. New York: $3,600-$9,900/year + $1,100 winter storage. Maryland: $3,400-$6,100/year. Texas: $2,000-$6,100/year. Washington: $4,100-$8,800/year. Michigan: $2,000-$4,400/year + $1,100 winter storage. North Carolina: $3,100-$6,100/year. South Carolina: $4,400-$8,500/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 8

What are the common problems with the O'DAY 28 (323-440)?

Accepted Answer

SailPages.com has compiled 4 issues reported for the O'DAY 28 (323-440) by owners in sailing-forum discussions and owner-association material, concentrated in rigging, structural, 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 O'DAY 28 (323-440).

Question 9

What should I look for when buying a O'DAY 28 (323-440)?

Accepted Answer

When buying a O'DAY 28 (323-440), SailPages.com has compiled 4 model-specific issues reported by owners across rigging, structural. 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 O'DAY 28 (323-440) 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 O'DAY 28 (323-440)?

Accepted Answer

The O'DAY 28 (323-440) has the following rig dimensions: I=36ft (foretriangle height), J=12.08ft (foretriangle base), P=30.5ft (mainsail luff), E=10ft (mainsail foot). Mainsail area: 382.1 sq ft. Jib area: 217.4 sq ft.

Question 11

How does the O'DAY 28 (323-440) compare to similar sailboats?

Accepted Answer

The O'DAY 28 (323-440) is classified as a Offshore Cruiser by SailPages.com. Key metrics: 28.25ft LOA, comfort ratio 21.26, capsize ratio 2.1, SA/disp 15.57. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	28.25 ft
LWL	22.75 ft
Beam	10.25 ft
Draft	4.7 ft
Displacement	7,450 lb
Hull speed1.34·√LWL	6.4 kn

Iforetriangle height	36 ft
Jforetriangle base	12.08 ft
Pmainsail luff	30.5 ft
Emainsail foot	10 ft
FLforestay	12.1 ft
Mainsail	382.1 sq ft
Jib (100%)	217.4 sq ft
Spinnaker	369.6 sq ft

O'DAY 28 (323-440)

Specifications

Hull

Rig & Sails

About the O'DAY 28 (323-440)

Performance

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Estimated Cost of Ownership

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