Listed by Authorized Dealer
2026 Sea Ray SDX 290 For Sale
Lake Ozark, MO
Price on request
Takes less than a minute. Direct bank rates, no markup.
MarineMax is proud to present the 2026 Seay SDX 290 (stock #215240). This boat is built for fun, and when an active family loves water sports, they want to share their good times with friends. That's where the SDX 290 comes in. It's among the most luxurious deck boats in its class. Its deep-V hull and wide "carried-forward" beam let you seat more friends in the oversized bow and huge cockpit, yet maintain a smooth, stable ride and great handling at high speed.
Key Features:
Standard Propulsion - Mercury® MerCruiser® 6.2L MPI ECT Bravo Three® with DTS (300 hp / 224 kW)
So Beamy - The SDX 290s wide "carried-forward" beam let you seat more friends in the oversized bow, shown with optional filler cushions. The expanded beam contributes to the boat's spacious and open floor plan, making it perfect for entertaining and relaxing with friends and family.
Convertibile Never Looked So Good - Flip things around with convertible portside companion and helm seats. For full flexibility no matter the size or makeup of your group. At rest or running, you can set things up exactly to your liking.
Beauty Loves Brains - The intuitive helm is available with an optional 9" or 12" Simrad touchscreen display to enhance the command experience.
Transom Loungers - Loungers that provide a comfortable and relaxing space for you to enjoy the water. These loungers are perfect for sunbathing, socializing or simply taking a break while out on the boat. They add to the overall versatility and entertainment value of the SDX 290, making it an ideal choice for all-way boating adventures.
Swim Platform - The Swim Platform provides a sturdy and convenient area for entering and exiting the water. It features an undermount stainless steel four-step swim ladder, which is designed for easy access and safety. This setup is perfect for swimming, diving, or simply enjoy a day out on the water, making it easy to get on and off the boat with confidence.
Wet Bar - The wet bar on the Sea Ray SDX 290 is designed for convenience and functionality, perfect for entertaining on the water. It includes an integral sink and faucet, providing a handy spot to rinse off hands, prepare drinks, or clean up after snacks. The wet bar enhances the boat's overall entertainment capabilities, making it easy to serve refreshments and keep your space clean while enjoying your time on the water.
Head Compartment - This private space includes a portable head, a vanity with a sink, and storage for toiletries, ensuring you have everything you need while on board. The compartment is thoughtfully designed with non-slip flooring and ample headroom, providing a comfortable and functional area for all your needs.
The MarineMax Advantage: Ownership Made Easy
At MarineMax, we are dedicated to making boating easy and enjoyable. When you purchase a boat from us, you'll benefit from our comprehensive support, including:
• A full fuel tank upon purchase.
• A Go Boating Gear kit containing essential items like personal and throwable flotation devices, flares and a horn for signaling, a fire extinguisher, dock lines, an anchor, a boat hook, cleaning supplies and more, so you're fully equipped and ready to enjoy your new boat
• Hassle-free financing and insurance options.
• Exceptional service with convenient online scheduling.
• Expert guidance through various boating classes and seminars.
• Access to our exclusive Getaways!® trips and customer events, connecting you with a community of fellow boaters.
Included:
- Horizon Hull Side Color.
- White Hull Bottom Color.
- Hull Side Colored Hull.
- Black Canvas - Standard.
- Ect 6.2l (350php) Mpi Dts Br3 Stern Drive.
- Flooring Color - Grey.
- Cockpit Color - Stone.
- Cockpit Cover W/tonneau Cover.
- Cockpit Seadek.
- Tower Accent Panels.
- Fender Clips.
- Black Sports Tower W/bimini.
- Blue Led Lighting Package.
- Seadek On Swim Platform.
- Submersible Swim Platform - Manual.
- Elite Plus Package Includes: Elite Pkg.
- Premier Stereo Upgrade.
- Blue Thru Hull Underwater Lights.
- Bow Filler Cushion.
- Head Interior Upgrade.
- Teak Cockpit Table.
- Digital Dash W/smartcraft Connect 12".
- Anchor, Stainless Steel (only W/ Windlass).
- Windlass - Rope/chain W/galvanized Anchor.
- Transom Sunpad (replaces Aft Facing Seats).
- Docking Lights.
- Bow Table W/dedicated Storage.
- Cockpit Refrigerator.
- Pump Out Head.
- On Board Battery Charger.
- Fire Suppression System.
- Transom Trim Switch.
- Flag Pole & Base, Us Flag.

See this vessel in person or via video
What This Boat Comes With
Information on this listing is provided in good faith by YachtWay and the listing broker/dealer, but accuracy is not guaranteed. All details are subject to change and buyers should independently verify specifications, condition, and availability before purchase.
Range Calculator
By YachtWaySet point A and point B on the map to plan a trip. Estimates use this hull's fuel curve, MerCruiser 6.2L V8 Sterndrive and a 81 gal fuel tank.
This is an estimate based on available data and is intended for reference purposes only — not a guarantee of real-world performance. Actual range depends on load, sea state, and conditions.
Yacht Financing
By YachtWayFinancing a boat is not like financing a car. Terms run up to 20 years, down payments matter more, and the rate you see depends on the lender panel behind it.
Rates from 6.99% APR, updated with the market. Your rate depends on your credit profile and lender match.
Yacht Insurance
By YachtWayPlanning to buy this 2026 Sea Ray SDX 290?
Get an instant insurance estimate for a Sea Ray SDX 290 in Lake Ozark, US through MasterCover, backed by A-rated underwriters.

Deck Layout
Age
Built in 2026. Build year and production period shape the asking price through age of systems, styling and the equipment fitted as standard.
Engine
Engine hours, service history and configuration are the largest mechanical factors in an asking price.
Options and features
Simrad, Anchor Electric, and Swim Platform Fixed are fitted. Optional equipment, refits and onboard features are usually reflected in the asking price.
Other market factors
Location, tax and duty status, condition, service history and how many comparable hulls are for sale all move the asking price.
2026 Sea Ray SDX 290
Price on request