Seaway Boats 21 Coastal Hardtop

Q: What year was the Seaway Boats 21 Coastal Hardtop made?

The Seaway Boats 21 Coastal Hardtop appears in our database as a 2011 model. Check the spec sheet above for full details.

Q: How long is the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop measures 21 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

Q: How much does the Seaway Boats 21 Coastal Hardtop weigh?

The Seaway Boats 21 Coastal Hardtop has a documented dry weight of 18 lbs. Add your motor, fuel, and gear when calculating total towing weight.

Q: What is the maximum horsepower for the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop has a maximum engine rating of 140 hp. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

Q: How many people can the Seaway Boats 21 Coastal Hardtop carry?

The Seaway Boats 21 Coastal Hardtop is estimated to accommodate approximately 6 people based on hull length. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

Q: What hull type does the Seaway Boats 21 Coastal Hardtop use?

The Seaway Boats 21 Coastal Hardtop features a composite deep vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

Q: What is the fuel capacity of the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop carries a 4-gallon fuel tank. Actual range depends on motor choice, load, and conditions.

Q: Who makes the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop is manufactured by Seaway Boats. Browse the full Seaway Boats spec catalogue to compare other models from the same range.

Seaway Boats 21 Coastal Hardtop — all spec sheets

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Model Overview

Seaway Boats 21 Coastal Hardtop Specifications

Length21 ft

Beam8 ft. 2 in

Weight18 lbs

Max HP140 hp

Fuel4 gal

Capacity6 people

Years Made2011

HullDeep Vee

MaterialComposite

The Seaway Boats 21 Coastal Hardtop was produced as a 2011 model — a composite deep vee design with outboard propulsion.

Documented specifications include 21 ft in overall length, a dry weight of 18 lbs, a maximum engine rating of 140 hp, capacity for 6 people and a 4-gallon fuel tank. Click any year card below to view the full spec sheet.

Spec sheets — all years

Seaway Boats 21 Coastal Hardtop 2011 Boat Specs

2011

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Seaway Boats 21 Coastal Hardtop — Common Questions

What year was the Seaway Boats 21 Coastal Hardtop made?

The Seaway Boats 21 Coastal Hardtop appears in our database as a 2011 model. Check the spec sheet above for full details.

How long is the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop measures 21 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

How much does the Seaway Boats 21 Coastal Hardtop weigh?

The Seaway Boats 21 Coastal Hardtop has a documented dry weight of 18 lbs. Add your motor, fuel, and gear when calculating total towing weight.

What is the maximum horsepower for the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop has a maximum engine rating of 140 hp. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

How many people can the Seaway Boats 21 Coastal Hardtop carry?

The Seaway Boats 21 Coastal Hardtop is estimated to accommodate approximately 6 people based on hull length. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

What hull type does the Seaway Boats 21 Coastal Hardtop use?

The Seaway Boats 21 Coastal Hardtop features a composite deep vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

What is the fuel capacity of the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop carries a 4-gallon fuel tank. Actual range depends on motor choice, load, and conditions.

Who makes the Seaway Boats 21 Coastal Hardtop?

The Seaway Boats 21 Coastal Hardtop is manufactured by Seaway Boats. Browse the full Seaway Boats spec catalogue to compare other models from the same range.