2021 Sea Ray SLX 310 OB
$250,521
Boat in Saint Petersburg, FL 33707 US
SLX 310 OB
2 Engines (MERCURY, MERCURY)
31 feet
Gas
Fiberglass/Reinforced
2021 Sea Ray SLX 310 OB
Experience the thrill of luxury on the water with the 2021 Sea Ray SLX 310 OB, a vessel that embodies performance and style. With a breathtaking design and cutting-edge technology, this boat offers the perfect escape for unforgettable weekends on the water.
Power and Performance
Equipped with two powerful Mercury WHT 300 JPO V8 AMS engines, this boat boasts a remarkable total engine power of 600 hp, delivering exhilarating speed and maneuverability. Whether you're slicing through the waves or cruising at your leisure, the SLX 310 OB promises an unforgettable boating experience.
Craftsmanship and Comfort
The Sea Ray SLX 310 OB is a masterpiece of craftsmanship, featuring a luxurious cockpit and refined interior that seamlessly blend comfort with modern elegance. Ideal for entertaining family and friends, this boat is outfitted with premium amenities and ample space to relax in style.
Exclusive Benefits with MarineMax
When you purchase from MarineMax in St. Petersburg, FL, enjoy a full fuel tank and a Go Boating Gear kit complete with safety essentials. Experience no-hassle financing and expert guidance with classes designed to ensure that you make the most of your new vessel.
Join the MarineMax family and unlock endless fun with events, unforgettable Getaways! trips, and competitive trade evaluations. The 2021 Sea Ray SLX 310 OB is not just a boat; it's your gateway to adventure.
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.
Trades considered.
Visit MarineMax St. Petersburg at 6810 Gulfport Blvd S St. Petersburg, FL 33707 or call us at (727)343-6520 to learn more and schedule your personal showing of this boat!
Price History
| Date | Event | Price |
|---|---|---|
| 11/1/25 | Initial price | $250,521 |
Videos from MarineMax St. Petersburg on this 2021 Sea Ray SLX 310 OB
2021 Sea Ray SLX 310 OB Video Tours
Overview from around the web 2021 Sea Ray SLX 310 OB
Customers praise the 2021 Sea Ray SLX 310 OB for its sleek design, powerful outboard performance, and luxurious comfort
Many highlight the spacious and well-appointed cockpit, perfect for entertaining family and friends. The boat’s smooth handling and impressive speed make it a favorite for both cruising and water sports. Users also appreciate the quality craftsmanship and attention to detail, noting that the SLX 310 OB offers a premium boating experience with excellent storage options and advanced features. Overall, owners commend this model for blending style, functionality, and performance seamlessly.
The Biggest Pros and Cons
The 2021 Sea Ray SLX 310 OB offers a blend of performance, luxury, and versatility, making it a popular choice among boating enthusiasts. Here are some pros and cons to consider:
Pros
Powerful Outboard Performance: Equipped with dependable outboard engines, the SLX 310 OB delivers strong acceleration and impressive top speeds, suitable for both leisurely cruises and watersports.
Spacious and Comfortable Layout: The boat features ample seating with plush upholstery, including a versatile sun lounge and convertible seating arrangements, ensuring comfort for family and guests.
Modern Helm and Technology: A well-designed helm with advanced digital displays, intuitive controls, and excellent visibility enhances the driving experience.
Quality Build and Finish: Sea Ray is known for its craftsmanship, and the SLX 310 OB boasts high-quality materials and attention to detail throughout.
Versatility: Ideal for a range of activities, from day cruising and entertaining to fishing and watersports, thanks to its adaptable design and ample storage.
Cons
Fuel Consumption: The powerful outboard engines can lead to higher fuel consumption, which might be a consideration for longer trips or frequent use.
Price Point: Positioned as a premium boat, the SLX 310 OB comes with a higher price tag, which may be a factor for budget-conscious buyers.
Limited Cabin Space: While offering some storage and a head compartment, the boat lacks extensive overnight accommodations, making it less suitable for extended stays.
Weight and Trailering: Due to its size and build, trailering this boat may require a heavy-duty vehicle and can be more challenging compared to smaller models.
Made For
The 2021 Sea Ray SLX 310 OB is perfect for boating enthusiasts who seek a versatile and luxurious open-bow boat. It’s ideal for families and groups who enjoy water sports, cruising, and entertaining, offering spacious seating, premium comfort, and advanced technology. Whether you’re planning day trips on the water or social gatherings with friends, this boat delivers exceptional performance and style for a memorable boating experience.
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Address
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Contact MarineMax St. Petersburg
St Petersburg, FL, 33707













































































