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2026 Sea Ray SLX 400 Outboard

39 ft · MarineMax Lake Lanier

2026 Sea Ray SLX 400 Outboard

Sea Ray SLX 400 Outboard

Orchestrated excellence. The 2026 Sea Ray's SLX 400 Outboard, available NOW at MarineMax St. Petersburg, "The Entertainer", is an outboard variant of the Innovation Award-winning SLX 400, with massive capacity, deluxe amenities, breakthrough design and incredible versatility - for the total freedom to design your own adventure. From the ingenious fold-down swim terrace, to the robust cabin, to the amenity-rich cockpit, the SLX 400 Outboard is the consummate entertainer and a superior all-around performer - and the epitome of Orchestrated Excellence.

Key Features

  • Deploy and Enjoy - An expansive cockpit social zone has a well-appointed wet bar with refrigerator, sink and available dual grills while the innovative fold-down swim terrace opens to extend the cockpit all the way to the water.
  • Ultimate Control - Innovations, found throughout, include Joystick Piloting and Dual Digital Dash with standard 16" Simrad touchscreen displays.
  • The Entertainer - Bring your friends...all of them. The SLX 400 Outboard has a generous cabin and expansive bow and cockpit seating. All of this and amenities for entertainment means hours and days of fun aboard this awar-winning boat.
  • Fathom E-Power - Fathom e-Power will replace a generator and includes a Mastervolt lithium-ion battery pack, consisting of four high-capacity marinized batteries. It is capable of powering your boat's accessory system for approximately eight hours without needing recharging from shorepower or your alternators. Using the sophisticated yet easy-to-operate user interface, you can monitor power consumption and charge levels.
  • Quiet Ride Technology - This innovative hull design significantly reduces noise and vibration, offering smoother and quieter ride. It enhances comfort for passengers, making long trips more enjoyable. The technology also contributes to better fuel efficiency, ensuring you can spend more time on the water.
  • Dual Simrad Glass Dash Displays - The helm station features dual 9" (optional 12") Simrad touchscreen displays, providing comprehensive navigation and control. These displays include Mercury VesselView Link Data, chartplotting maps, and depth and fishfinder capabilities. The intuitive interface and clear visuals make it easy to navigate and monitor the boat's systems.
  • Connect Technology - The connected technology on the SLX 400 Outboard provides peace of mind by effortlessly conveying a boat's location and status of vitual systems to users through the Sea Ray+ mobile app. Boats can remotely view geofacing, engine data and alerts. Boats on shorepower can also monitor battery and bilge data so you know your boat will be ready to go when you are.

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!

Model year
2026
Length overall
39 ft
Beam
12 ft 1 in
Hull
Fiberglass

Specification

As published by the listing party. Fields the listing did not publish are absent, not inferred.
Principal characteristics
Builder
Sea Ray
Model
SLX 400 Outboard
Class
Sports Cruiser
Model year
2026
Dimensions & hull
Length overall39 ft
Beam12 ft 1 in
Hull materialFiberglass
Engine & propulsion
Engines3x MERCURY WHT 425 JPO V10 1275 hp
FuelGas
Published specifications
Length39 ft
Beam12 ft 1 in
Minimum Draft2 ft 10 in
Dry Weight20678.0 lbs
Engine Count3
Total Horse Power1275 hp
Drive TypeOther
Fuel TypeGas
MakeMERCURY
ModelWHT 425 JPO V10
Fuel Capacity375.0 gal
Fresh Water Capacity50.0 gal
Holding Tank Capacity28.0 gal
Head Count1
Hull MaterialFiberglass
ConditionNew
ClassSports Cruiser

Video & media

Published with this listing by the listing party.
Builder information from the YotSignal OEM databaseFull model record →
Sea Ray Explore the SLX 400 Outboard
1 builder photos

Model level information from YotSignal's OEM database, not from the listing dealer. It describes the model generally and may differ from this specific hull.