Question 1

What are the specs of the SEADOG 30?

Accepted Answer

The SEADOG 30 has the following specifications: 30ft LOA, 9.5ft beam, 3.5ft draft, 12,765lb displacement, 4,144.8lb ballast. Hull type: mono. Rig: Masthead Ketch. Keel: Twin/Triple.

Question 2

Who built the SEADOG 30 and when was it made?

Accepted Answer

Built by Glascade GRP Ltd./Reg Freeman Yachts Ltd. (UK), designed by Reg Freeman, first built in 1966, with production ending in 1974, 140 units were produced.

Question 3

Is the SEADOG 30 good for offshore sailing?

Accepted Answer

The SEADOG 30 is classified as a Catamaran / Multihull. It has a comfort ratio of 38.12, which means it is very comfortable in a seaway, suitable for extended offshore passages. The capsize screening ratio is 1.63, which is excellent for offshore sailing.

Question 4

How fast is the SEADOG 30?

Accepted Answer

The SEADOG 30 has a sail area to displacement ratio of 11.73, which indicates a more conservative sail plan focused on comfort over speed. The displacement to length ratio is 412.23, making it a heavy displacement sailboat.

Question 5

How much does it cost to maintain a SEADOG 30?

Accepted Answer

Annual maintenance for a SEADOG 30 is estimated at $1.7K – $4.6K. 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 SEADOG 30 per year?

Accepted Answer

Annual cost of ownership for the SEADOG 30 (30ft) according to SailPages.com: Maintenance: $1.7K – $4.6K/year (hull, rigging, sails, engine service). Insurance: $500-$2000/year (based on $unknown average value). Marina slip costs by state for a 30ft boat: Florida: $5,400-$14,400/year. California: $5,000-$12,600/year. Massachusetts: $3,800-$8,400/year + $1,200 winter storage. New York: $3,800-$10,500/year + $1,200 winter storage. Maryland: $3,600-$6,500/year. Texas: $2,200-$6,500/year. Washington: $4,300-$9,400/year. Michigan: $2,100-$4,600/year + $1,200 winter storage. North Carolina: $3,200-$6,500/year. South Carolina: $4,700-$9,000/year. Total annual cost ranges from approximately $4K to $25K 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 SEADOG 30?

Accepted Answer

Marina slip costs for the SEADOG 30 (30ft) by state according to SailPages.com: Florida: $5,400-$14,400/year. California: $5,000-$12,600/year. Massachusetts: $3,800-$8,400/year + $1,200 winter storage. New York: $3,800-$10,500/year + $1,200 winter storage. Maryland: $3,600-$6,500/year. Texas: $2,200-$6,500/year. Washington: $4,300-$9,400/year. Michigan: $2,100-$4,600/year + $1,200 winter storage. North Carolina: $3,200-$6,500/year. South Carolina: $4,700-$9,000/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 8

How does the SEADOG 30 compare to similar sailboats?

Accepted Answer

The SEADOG 30 is classified as a Catamaran / Multihull by SailPages.com. Key metrics: 30ft LOA, comfort ratio 38.12, capsize ratio 1.63, SA/disp 11.73. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	30 ft
LWL	24 ft
Beam	9.5 ft
Draft	3.5 ft
Displacement	12,765 lb
Ballast	4,144.8 lb
Hull speed1.34·√LWL	6.6 kn

Mainsail	180 sq ft
Jib (100%)	202 sq ft

SEADOG 30

Specifications

Hull

Rig & Sails

Engine

About the SEADOG 30

Performance

Pricing

Estimated Cost of Ownership

Known Issues & Pre-Purchase Inspection

Similar Sailboats

Engine Parts & Maintenance

Perkins 4-107

Used sails that fit the SEADOG 30