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.