2025 Sea Ray SLX 400 Boat in Rogers, AR 72756 US

$774,999

Used
builtBuilt in 2025
Year the boat was built
model

SLX 400

Boat model
engine

2 Engines (2x MerCruiser)

Engine type and count
length

39.8 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
39.75ft
Length Overall
39.75ft
Beam
12.08ft
Max Bridge Clearance
8.83ft
Max Draft
3.67ft
Drive Up Draft
2.75ft
Deadrise At Transom
21deg
Dry Weight
20794lb
Fresh Water Tanks
50gal
Fuel Tanks
250gal
Holding Tanks
28gal
Hull Material
fiberglass
Hull Shape
modified-vee
Engine 1
Engine Make
MerCruiser
Engine Model
8.2L MAG ECT Bravo III X
Total Power
430hp
Engine Hours
28
Engine Type
inboard-outboard
Fuel Type
gasoline
Engine Year
2025
Drive Type
stern
Engine 2
Engine Make
MerCruiser
Engine Model
8.2L MAG ECT Bravo III X
Total Power
430hp
Engine Type
inboard-outboard
Fuel Type
gasoline
Drive Type
stern
Disclaimer
The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Price History

DateEventPrice
4/8/26Initial price$774,999

Contact Ugly John's Custom Boats, LLC.

32550 Thunder Bay Road, Afton, OK, 74331

Boattest.com Review

Boat Test Review on BoatTest.com

Overview

The Sea Ray 400 SLX with outboard power represents a refined blend of performance and comfort, featuring the latest Mercury 300 horsepower V8 outboards. This model maintains ample swim platform space despite the outboard configuration and integrates advanced technology and thoughtful design elements throughout the vessel.

Exterior Design and Swim Platform

The swim platform remains spacious, extending only 16 inches from the transom at its narrowest point, ensuring no compromise in usable space despite the outboard engines. The transom is equipped with 9-inch pull-up cleats on both sides, and deep storage compartments under the port side seating accommodate longboards, skis, and wakeboards. A convenient inflator for water toys is included, along with a cleverly stored pole that can be used to support a stand-up transom shower. Shore power connections, city water inlet, electrical and TV hookups, and a fresh water washdown are all neatly organized in one area, complemented by USB connectivity adjacent to the lounge.

Power and Performance

Powered by triple Mercury 300 horsepower V8 outboards featuring advanced technology such as larger alternators and quieter operation, the 400 SLX delivers impressive performance. The boat weighs approximately 21,258 pounds with fuel and passengers aboard. During testing, it reached a top speed of 51.8 miles per hour at 5,900 RPM, with an optimal cruise speed of 32.9 miles per hour at 4,000 RPM. Fuel consumption at cruise was measured at 34.8 gallons per hour, yielding a range of 319 statute miles while retaining a 10% fuel reserve. The vessel planes quickly, achieving 20 miles per hour in 6 seconds and 30 miles per hour in 9.5 seconds. Handling is responsive with a comfortable turning radius, and the joystick docking system allows for precise maneuvering in tight spaces. The hull design provides a smooth ride with minimal hull slap or pounding, even when crossing wakes at speed.

Mechanical and Systems Layout

The engine compartment is thoughtfully arranged, featuring an optional SeaKeeper 3 gyro stabilizer mounted centrally with stringers pre-built to accommodate it. On the port side are house and engine start batteries along with the generator, while the starboard side houses hydraulic components for the terrace. The vessel includes a generator and the innovative Fathom ePower system, which provides 22 kilowatt-hours of lithium-ion battery capacity to power onboard electrical systems such as air conditioning, electric grills, and refrigeration. This system intelligently manages power loads and interfaces with the Simrad multifunction displays for real-time monitoring and can be recharged via engine alternators, generator, or shore power.

Helm and Electronics

The helm station is one of the most refined in its class, featuring a soft-touch dash and dual 12-inch Simrad Evo 3S multifunction displays with the NaviOp system for comprehensive control of electrical systems and lighting presets. The displays support up to six panels simultaneously and include tide graphs, engine data, vessel controls such as cruise control, troll control, and active trim. Additional helm features include sport exhaust controls, flush-mounted Fusion stereo, spotlight control, Seakeeper controls, auto glide automatic trim tabs, joystick docking, and a Simrad VHF radio. Dual helm seats are ergonomically designed with 24-inch width, flip-up bolsters, and adjustable fore and aft swivel functionality. Generator and 120-volt AC controls are conveniently located beneath the port helm seat.

Deck and Bow Features

The deck layout includes strategically placed cleats for secure mooring, with a 10-inch cleat forward of midships and another at the bow. The bow area features dual hatches providing access to the ground tackle, which can be remotely controlled. Fresh water washdown is located nearby, flanked by LED navigation lights and a remote-controlled spotlight on the port side, enhancing safety and convenience.

Conclusion

The Sea Ray 400 SLX outfitted with triple 300 horsepower Mercury V8 outboards offers a compelling combination of power, technology, and comfort. Its well-considered design preserves functional space while integrating advanced systems such as the SeaKeeper gyro stabilizer and Fathom ePower battery system. Performance testing demonstrated quick acceleration, efficient cruising, and smooth handling, complemented by a sophisticated helm and electronics package. Overall, the 400 SLX is a versatile and comfortable boat that performs confidently in a variety of conditions, making it a strong contender in its class.

Overview from around the web 2025 Sea Ray SLX 400

Customers are praising the 2025 Sea Ray SLX 400 for its luxurious design, spacious layout, and exceptional performance on the water

Many highlight the boat's smooth handling and powerful engine options, making it ideal for both leisurely cruises and watersports. The high-quality materials and attention to detail in the interior create a comfortable and stylish environment, perfect for entertaining family and friends. Additionally, users appreciate the advanced technology features and thoughtful storage solutions that enhance convenience and enjoyment during outings. Overall, the Sea Ray SLX 400 is celebrated for combining elegance, functionality, and performance in one impressive package.

The Biggest Pros and Cons

The 2025 Sea Ray SLX 400 offers a range of advantages and a few considerations to keep in mind:

Pros

Luxurious Design: The SLX 400 boasts a sleek, modern design with high-quality materials and meticulous craftsmanship, providing an upscale boating experience.

Spacious Layout: Its well-thought-out layout offers ample seating and social areas, making it ideal for entertaining family and friends.

Powerful Performance: Equipped with advanced engines, the SLX 400 delivers impressive speed and smooth handling for an exhilarating ride.

Advanced Technology: Features state-of-the-art navigation, entertainment, and connectivity systems to enhance convenience and enjoyment on the water.

Comfort and Amenities: Includes premium amenities such as plush seating, sun pads, a well-appointed helm, and optional features like a wet bar and grill.

Cons

Price Point: As a luxury sport boat, the SLX 400 comes with a higher price tag, which may be a consideration for budget-conscious buyers.

Size and Storage: While spacious, the boat’s size may present challenges for trailering or storing in smaller marina slips.

Fuel Consumption: Powerful engines can result in higher fuel consumption, impacting operating costs during extended use.

Made For

The 2025 Sea Ray SLX 400 is designed for boating enthusiasts who seek a perfect blend of luxury, performance, and versatility. Ideal for families and friends who enjoy day cruising, watersports, and entertaining on the water, this boat offers spacious seating, advanced technology, and powerful engines to deliver an exceptional experience. Whether you're hosting gatherings, exploring coastal waters, or simply relaxing in style, the SLX 400 caters to those who appreciate comfort, innovation, and high-quality craftsmanship in their boating adventures.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2025 Sea Ray SLX 400. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Power Cruiser cost in today's market, or how much does a Sea Ray cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
$
$
510152025
%
Principal Loan Amount$ 658,749
Total Payment$1,177,818.74
Monthly payment
$4,907.58/mo

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2025 Sea Ray SLX 400. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Power Cruiser cost in today's market, or how much does a Sea Ray cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
$
$
510152025
%
Principal Loan Amount$ 658,749
Total Payment$1,177,818.74
Monthly payment
$4,907.58/mo

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40'25'26'27'25'25'
4'-----
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Engine Make
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Meet the Broker

Address

32550 Thunder Bay Road
Afton, OK 74331

Boat Location

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