Crestliner Grand Cayman 2685 I/O Tritoon 2008 boat specs
Crestliner
Crestliner Grand Cayman 2685 I/O Tritoon 2008
2008
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VS
Crestliner LSi 2685 2006 boat specs
Crestliner
Crestliner LSi 2685 2006
2006
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Crestliner Grand Cayman 2685 I/O Tritoon 2008 vs Crestliner LSi 2685 2006 — Same Brand, Different Boat

The Crestliner Grand Cayman 2685 I/O Tritoon 2008 vs Crestliner LSi 2685 2006 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.

On paper these two are close siblings in the size department — Crestliner Grand Cayman 2685 I/O Tritoon 2008 at 25,0 ft versus Crestliner LSi 2685 2006 at 26,0 ft. Weight tells a clearer story for trailering families: the Crestliner Grand Cayman 2685 I/O Tritoon 2008 tips the scales at 3 719 lbs — 3 474 lbs more than the Crestliner LSi 2685 2006 at 245 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The Crestliner LSi 2685 2006 tops out at 150 hp. Engine specs for the Crestliner Grand Cayman 2685 I/O Tritoon 2008 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Crestliner Grand Cayman 2685 I/O Tritoon 2008 carries 56 gallons versus 25 gallons in the Crestliner LSi 2685 2006. 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 Crestliner LSi 2685 2006 is rated for 16 passengers, while the Crestliner Grand Cayman 2685 I/O Tritoon 2008 caps at 14. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner LSi 2685 2006 could be the deciding factor.

The Crestliner LSi 2685 2006 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Crestliner Grand Cayman 2685 I/O Tritoon 2008 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.

Bottom line: Choose the Crestliner LSi 2685 2006 if your priority is putting more people on the water — it handles 16 passengers and at 26,0 ft it has the deck room to back that rating up comfortably. The Crestliner Grand Cayman 2685 I/O Tritoon 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 14 that costs less to run day-to-day.
General Boat Info
MakeCrestliner
MakeCrestliner
ModelGrand Cayman 2685 I/O Tritoon
ModelLSi 2685
Model Year2008
Model Year2006
Measurements / Dimensions
Beam102 in. (259 cm)
Beam102 in. (259 cm)
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Weight - Detail3,719 lbs. (1,687 kg) with 5.0 l
Weight - Detail2,450 lbs. (1,111 kg)
Weight - kg1686.91
Weight - kg1111.3
Weight - lbs.3719
Weight - lbs.245
Length - Meters7.8
Length - Meters7.9
Length - Feet25
Length - Feet26
Length - Inches6
Length - Inchesnot available
Length overall - Detail25 ft. 6 in. (7.8 m)
Length overall - Detail26 ft. 0 in. (7.9 m)
Length overall - Meters7.77
Length overall - Meters7.92
Length overall - Inches306
Length overall - Inches312
Length [deck]not available
Length [deck]26 ft. 7 in. (8.1 m)
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.080 in
Hull thicknessnot available
Hull typePontoon
Hull typenot available
Pontoon and Inflatable Specific
Tube diameter27 in. (69 cm)
Tube diameter27 in. (69 cm)
Number of tubes3
Number of tubes2
Tube gaugenot available
Tube gauge.08
Engine and Drivetrain
Fuel tank capacity - Detail56 gal. (212 l)
Fuel tank capacity - Detail25 gal. (95 l)
Fuel tank capacity - Liters211.98
Fuel tank capacity - Liters94.64
Fuel tank capacity - Gal56
Fuel tank capacity - Gal25
Fuel typeGas
Fuel typenot available
Drive typeI/O
Drive typeOutboard
Engine/s standardnot available
Engine/s standard25EL
Engine maxnot available
Engine max150 hp
Operational Info
Maximum capacity2,000 lbs. (907 kg)
Maximum capacity2,900 lbs. (1,315 kg)
Maximum people14
Maximum people16

Crestliner Grand Cayman 2685 I/O Tritoon 2008 vs Crestliner LSi 2685 2006 — Common Questions

Which is the larger boat — the Crestliner Grand Cayman 2685 I/O Tritoon 2008 or the Crestliner LSi 2685 2006?
The Crestliner LSi 2685 2006 is the longer of the two at 26,0 feet overall. The Crestliner Grand Cayman 2685 I/O Tritoon 2008 comes in at 25,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Crestliner Grand Cayman 2685 I/O Tritoon 2008 or the Crestliner LSi 2685 2006?
For trailering, the Crestliner LSi 2685 2006 has the edge at 245 lbs dry weight versus 3 719 lbs for the Crestliner Grand Cayman 2685 I/O Tritoon 2008. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
What is the maximum horsepower rating for these boats?
The Crestliner LSi 2685 2006 has a documented max rating of 150 hp. Engine specifications for the Crestliner Grand Cayman 2685 I/O Tritoon 2008 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Crestliner Grand Cayman 2685 I/O Tritoon 2008 is Coast Guard rated for 14 passengers, while the Crestliner LSi 2685 2006 is certified for 16. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Crestliner Grand Cayman 2685 I/O Tritoon 2008 and Crestliner LSi 2685 2006 share an 102 in. (259 cm) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Which boat has the larger fuel tank — the Crestliner Grand Cayman 2685 I/O Tritoon 2008 or the Crestliner LSi 2685 2006?
The Crestliner Grand Cayman 2685 I/O Tritoon 2008 has the bigger tank at 56 gallons, versus 25 gallons on the Crestliner LSi 2685 2006. That 31-gallon difference translates to roughly 93–155 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Crestliner Grand Cayman 2685 I/O Tritoon 2008 and Crestliner LSi 2685 2006 from the same manufacturer?
Yes — both the Crestliner Grand Cayman 2685 I/O Tritoon 2008 and the Crestliner LSi 2685 2006 are built by Crestliner. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.