Detailed Evaluation & Buyer Recommendation
Sea Boss 21 Bay 2007 vs Sea Boss 235 Walk Around 2005 — Same Brand, Different Boat
The Sea Boss 21 Bay 2007 vs Sea Boss 235 Walk Around 2005 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 300 hp, the Sea Boss 235 Walk Around 2005 has a 100-hp advantage over the Sea Boss 21 Bay 2007'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 235 Walk Around 2005 carries 126 gallons versus 54 gallons in the Sea Boss 21 Bay 2007. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Sea Boss 235 Walk Around 2005 is rated for 7 passengers, while the Sea Boss 21 Bay 2007 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Boss 235 Walk Around 2005 could be the deciding factor.
Bottom line: Choose the Sea Boss 235 Walk Around 2005 if your priority is putting more people on the water — it handles 7 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Sea Boss 21 Bay 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
Model21 Bay
Model235 Walk Around
Model Year2007
Model Year2005
Measurements / Dimensions
Beam7 ft. 10 in. (2.38 m)
Beam8 ft. 6 in
Beam - Meters2.39
Beam - Meters2.59
Beam - Inches94
Beam - Inches102
Deadrise15℃
Deadrise18℃
Draft [max] - Detail12 in. (0.30 m)
Draft [max] - Detail15 in
Draft [max] - Meters0.3
Draft [max] - Meters0.38
Draft [max] - Inches12
Draft [max] - Inches15
Weight - Detail1,600 lbs. (726 kg) (O/B hull)
Weight - Detail3200 lbs
Weight - kg725.75
Weight - kg1451.49
Weight - lbs.16
Weight - lbs.32
Length - Meters6.55
Length - Metersnot available
Length - Feet21
Length - Feetnot available
Length - Inches6
Length - Inchesnot available
Length overall - Detail21 ft. 6 in. (6.55 m)
Length overall - Detail24 ft. 5 in
Length overall - Meters6.55
Length overall - Meters7.44
Length overall - Inches258
Length overall - Inches293
Engine and Drivetrain
Fuel tank capacity - Detail54 gal. (204.41 l)
Fuel tank capacity - Detail126 gal
Fuel tank capacity - Liters204.41
Fuel tank capacity - Liters476.96
Fuel tank capacity - Gal54
Fuel tank capacity - Gal126
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typenot available
Engine max200 hp (149 kW)
Engine max300 hp
Engine/s standardnot available
Engine/s standardRecommended: 200-225 hp
Body / Hull
Hull materialnot available
Hull materialFiberglass