Detailed Evaluation & Buyer Recommendation
Sea Boss 21 Bay 2004 vs Sea Boss 23 Bay 2007 — Same Brand, Different Boat
The Sea Boss 21 Bay 2004 vs Sea Boss 23 Bay 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 250 hp, the Sea Boss 23 Bay 2007 has a 50-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 23 Bay 2007 carries 85 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.
For family outings this is probably the sharpest distinction between the two. The Sea Boss 23 Bay 2007 is rated for 7 passengers, while the Sea Boss 21 Bay 2004 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 23 Bay 2007 could be the deciding factor.
Bottom line: Choose the Sea Boss 23 Bay 2007 if your priority is putting more people on the water — it handles 7 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Sea Boss 21 Bay 2004 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
Model Year2004
Model Year2007
Measurements / Dimensions
Beam7 ft. 10 in
Beam8 ft. 5 in. (2.56 m)
Beam - Meters2.39
Beam - Meters2.57
Beam - Inches94
Beam - Inches101
Deadrise15℃
Deadrise16℃
Draft [max] - Detail10 in
Draft [max] - Detail16 in. (0.40m)
Draft [max] - Meters0.25
Draft [max] - Meters0.41
Draft [max] - Inches1
Draft [max] - Inches16
Weight - Detail1600 lbs
Weight - Detail2,000 lbs. (907 kg) (O/B hull)
Weight - kg725.75
Weight - kg907.18
Weight - lbs.16
Weight - lbs.2
Length overall - Detail21 ft. 6 in
Length overall - Detail23 ft. 4 in. (7.11 m)
Length overall - Meters6.55
Length overall - Meters7.11
Length overall - Inches258
Length overall - Inches28
Length - Metersnot available
Length - Meters7.11
Length - Feetnot available
Length - Feet23
Length - Inchesnot available
Length - Inches4
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 - Detail85 gal. (321.76 l)
Fuel tank capacity - Liters204.41
Fuel tank capacity - Liters321.76
Fuel tank capacity - Gal54
Fuel tank capacity - Gal85
Engine max200 hp
Engine max250 hp (186 kW)
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard