Listed by Authorized Dealer
2018 Sea Ray SLX 400 For Sale
Monkey Island, OK
$389,990
Takes less than a minute. Direct bank rates, no markup.
Redefining the day-boat experience, the 2018 Sea Ray 400 SLX (The "Entertainer") combines massive entertainment spaces, cutting-edge technology, and overnight accommodations in a sleek, sophisticated package. Designed for host-minded boaters, this flagship bowrider offers ample social seating for you and all or your guests while delivering the performance and hull stability expected of a premiere yacht. Yacht certified, Engine hours 258.
- Fold-Down Hydraulic Swim Terrace: Expands the aft cockpit beam into a sea-level beach club, creating a seamless connection to the water for swimming, lounge seating, and watersports.
- Exceptional Social Layout: Features a massive bow seating area with dual sun loungers, an expansive L-shaped cockpit lounge, and a fully equipped wet bar with double electric grills, refrigerator, and sink.
- Luxurious Air-Conditioned Cabin: Down below, the well-appointed cabin comfortably sleeps 4–5 adults across a forward convertible dinette/V-berth and a mid-berth stateroom, complete with a private head and enclosed shower.
- Advanced Helm Tech: Dual Digital Dash with Simrad widescreen displays, Joystick Piloting for effortless docking, and integrated Axius/Skyhook position-holding systems.
- Sleek Hardtop Protection: Dynamic hardtop with a canvas opening sunroof and an extended electric aft Sureshade for full sun protection on demand.
Why Choose MarineMax?
Choosing to buy with MarineMax means enjoying no-hassle financing and insurance, along with exceptional service available through online scheduling. Pair that with expert guidance through classes like Intro to Boating and Women on Water®, and you’re not just purchasing a boat; you're joining a community of passionate boaters.
Discover Endless Fun
Join us for boat shows, customer events, and Getaways!® trips that promise endless fun and adventure. Competitive trade evaluations make upgrading your lifestyle easier than ever.
Visit Monkey Island, OK, today and let the journey begin with the 2018 Sea Ray 400 SLX!
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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, twin Mercury MerCruiser 8.2L and a 250 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 2018 Sea Ray SLX 400?
Get an instant insurance estimate for a Sea Ray SLX 400 in Monkey Island, US through MasterCover, backed by A-rated underwriters.
Deck Layout
Age
Built in 2018. Build year and production period shape the asking price through age of systems, styling and the equipment fitted as standard.
Engine
250 hours on twin Mercury MerCruiser 8.2L. Engine hours, service history and configuration are the largest mechanical factors in an asking price.
Options and features
Joystick, TV, and Simrad are fitted. Optional equipment, refits and onboard features are usually reflected in the asking price.
Price history
Listed on YachtWay at $389,990 on Nov 6, 2026. On-platform asking prices only.
Other market factors
Location, tax and duty status, condition, service history and how many comparable hulls are for sale all move the asking price.
2018 Sea Ray SLX 400
$389,990