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OnlyInboards has thousands of used ski boats in our listings. You’ve come to the right place to find your next new-to-you boat! You’ll find a wide variety of manufacturers, brands, styles and model years to choose from. No matter which watersport you prefer, what style boat you prefer, or how tight your budget is, you’re sure to find what you’re looking for. Browse our listings for everything from basic, older models to the latest and greatest in power boats. What could be better than spending a day out on the water, waterskiing with family & friends? That’s easy: being able to spend the entire weekend out on the water with family & friends. When you buy one of the many used ski boats in our listings, the thousands of dollars you’ve saved go a long way to more time and more fun on the water.
With room for 14 and always surf ready, this new traditional bow XT21 is designed for modern fun. The GEN2 Surf System and 2460 pounds of ballast keep perfect waves rolling all day long. And onboard, the convertible transom seat and comfortable layou...
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2021 MasterCraft XT21THE CUSTOMIZABLE CLASSIC Fit 13 friends in this classic-bowed versatile ride and surround yourself with wow-factor. Fire up the Ilmor 6.0L engine and let it purr. Then make the surf flow behind the boat via the powerful and innov...
Just in on trade at The Liquid Edge is this very sharp 2017 Mastercraft XT21 powered by Ilmor's 5000 MPI engine (5.7L / 320hp) with 381 hours currently on it. Further features and equipment on this XT21 include Snap in Removable Carpet, Tilt Steer...
SALE PENDING! 2018 Mastercraft XT21 Crossover! This boat does it all from slalom skiing to surfing! This boat is equipped with the following options: -Flip Seat -GatorStep Flooring -Masterview VR100 Mirror -BTS Windshield -Bimini Top - Blac...
2020 MasterCraft XT 21 For Sale - Just under 100 hours. Factory warranty available thru 5/18/25. Engine Warranty Available thru 5/18/27. Advanced Audio & Touchscreen Package (7" Touchscreen Dash, Integrated Ice Radio) 2 Klipsch S80 Tower Speake...
VISIT www.BigThunderMarine.com for over 50 detailed photos of this MasterCraft XT21 KEEP IT CLASSIC, MAKE IT YOURS With room for 14 and always surf ready, the traditional bow XT21 is designed for modern fun. The GEN2 Surf System and 2460 pounds ...
With room for 14 and plenty of sport options, the classic bowed XT21 is designed for modern fun. The standard Ilmor 6.0 engine offers plenty of torque for towsports. And when it’s time to surf, the Innovative GEN2 Surf System ensures the waves never ...
2020 Mastercraft XT21THE CROSSOVER WITH CLASSIC LINESFit 13 friends in this classic-bowed crossover and surround yourself with wow-factor. Fire up the Ilmor 6.0L engine and let it purr. Then make the surf flow behind the boat via the powerful and ver...
Full-loaded 2021Mastercraft XT21. With Black, Calypso Green Flake, and Cool-Feel Jet Black Interior, and a Fiberglass platform. This is a sharp boat. Boat will be sold with included Mastercraft XT-21 Tandem Axle trailer. Optioned out with the 7...
Fit 13 friends in this classic-bowed crossover and surround yourself with wow-factor. Fire up the Ilmor 6.0L engine and let it purr. Then make the surf flow behind the boat via the powerful and versatile Gen 2 Surf System. Kick it in high style on th...
Ilmor 6.0L MPI VDEngine Flush KITZFT 2 TowerStandardWheel-HE1827V3 Pro Wake PropellerStandard ExhaustRemovable Snap-in Carpet - GrayRemovable Snap-in Carpet - Brown (Only Available When Base 1 Vinyl is Beach Tan, Coconut Brown, Oyster BeigeCustom Top...
The midsize memory maker. With room for 14, the classic bowed XT21 is designed for modern fun. The standard Ilmor 6.0 engine offers plenty of torque for towsports. And when it's time to surf, the Innovative GEN2 Surf System ensures the waves...
With room for 14 and plenty of sport options, the classic bowed XT21 is designed for modern fun. The upgraded Ilmor 5.3L GDI engine offers plenty of torque for towsports. And when it’s time to surf, the Innovative GEN2 Surf System ensures the waves n...
2018 MasterCraft XT21powered by an Ilmor 5.7L 320hp motor with custom matching tandem axle trailer. This XT21 was equipped with the following options from the factory; Coolfeel interior, X stitch thread pattern, BTS Windshield, Masterview 180 Mirror,...
19 XT21, ZFT2 Tower, Bimini, Cover, Tower speakers, Coolfeel interior upgrade, Gen 2 Surf System
Get a great boat and still have plenty of money left for fuel, upkeep, storage, and all that waterski gear! Buying your ski boat used also saves you a great deal of depreciation. You could save up to 33% on a 10-year old boat. That’s a significant price difference! And as long as it has been well kept and is still in good condition, you’re getting a great deal. To make sure the used boat you’re considering has, in fact, been well kept and is in safe, operable condition, you should have a marine surveyor perform an assessment for you.Then you’ll have peace of mind that your investment is sound.The used ski boats in our listings represent all the manufacturer and brand names you know and trust.Check with us first for an excellent deal on a classic Ski Nautique from Correct Craft, an immaculately kept MasterCraft ProStar, an open bow Ski Centurion Heritage, and so many others.When you’re looking for a top quality ski boat at an price you can live with, OnlyInboards is guaranteed to have the right one for you.