Detailed Evaluation & Buyer Recommendation
Sea Boss 21 Bay 2004 vs Sea Boss 210 Walk Around 2007 — Same Brand, Different Boat
The Sea Boss 21 Bay 2004 vs Sea Boss 210 Walk Around 2007 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
The power gap is worth calling out. Rated to 225 hp, the Sea Boss 210 Walk Around 2007 has a 25-hp advantage over the Sea Boss 21 Bay 2004's 200-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sea Boss 210 Walk Around 2007 carries 81 gallons versus 54 gallons in the Sea Boss 21 Bay 2004. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 6 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: Performance buyers should lean toward the Sea Boss 210 Walk Around 2007 and its 225-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sea Boss 21 Bay 2004 with its 200-hp rating is the more economical daily driver.
General Boat Info
Model21 Bay
Model210 Walk Around
Model Year2004
Model Year2007
Measurements / Dimensions
Beam7 ft. 10 in
Beam8 ft. 6 in. (2.59 m)
Beam - Meters2.39
Beam - Meters2.59
Beam - Inches94
Beam - Inches102
Deadrise15℃
Deadrise17℃
Draft [max] - Detail10 in
Draft [max] - Detail17 in. (0.43 m)
Draft [max] - Meters0.25
Draft [max] - Meters0.43
Draft [max] - Inches1
Draft [max] - Inches17
Weight - Detail1600 lbs
Weight - Detail2,500 lbs. (1,134 kg) (O/B hull)
Weight - kg725.75
Weight - kg1133.98
Weight - lbs.16
Weight - lbs.25
Length overall - Detail21 ft. 6 in
Length overall - Detail20 ft. 6 in. (6.24 m)
Length overall - Meters6.55
Length overall - Meters6.25
Length overall - Inches258
Length overall - Inches246
Length - Metersnot available
Length - Meters6.24
Length - Feetnot available
Length - Feet2
Length - Inchesnot available
Length - Inches6
Body / Hull
Hull materialFiberglass
Hull materialnot available
Engine and Drivetrain
Engine/s standardRecommended: 115-150 hp
Engine/s standardnot available
Fuel tank capacity - Detail54 gal
Fuel tank capacity - Detail81 gal. (306.61 l)
Fuel tank capacity - Liters204.41
Fuel tank capacity - Liters306.62
Fuel tank capacity - Gal54
Fuel tank capacity - Gal81
Engine max200 hp
Engine max225 hp (168 kW)
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard