{"@context":"https://schema.org","@type":"Product","name":"1 Jayco SEISMIC RV for sale in Maryland","offers":{"@type":"AggregateOffer","offerCount":1,"lowPrice":"84888.00","highPrice":"84888.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-jayco-seismic-399/4eb7159c-38d8-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 JAYCO SEISMIC 399","description":"2026 Jayco Seismic 399,

Jayco Seismic toy hauler 399 highlights:

Party Deck
Queen Bed with Convertible Sofas
Overhead Garage Loft with Storage
Walk-in Shower
60\" x 80\" Queen Bed
4K Smart LED HDTV

Get ready for outdoor adventures in this spacious toy hauler. Your guests will have the 13' 6\" garage with queen bed with convertible sofa and a loft for added sleeping space, plus there is overhead storage for your things and a side man door to come and go easily. The main living area includes dual opposing slides with an L-shaped tri-fold sofa along the roadside and your dinette and refrigerator plus pantry in the curbside slide. Head up the steps to your front private bedroom with the dual entry bath accessible from the hall and inside the master bedroom. Here you will all enjoy a walk-in shower, toilet, and vanity with a sink, plus overhead storage. The bedroom features a third slide out housing a queen bed for added floor space, plus a full front walk-in closet, a dresser, and washer/dryer prep!

One look at the Seismic toy haulers by Jayco, and you'll never go back! Each model features a custom automotive-grade vinyl exterior graphics package, a painted fiberglass front cap with built-in LED lighting, and 102\" wide-body structural steel I-beam construction. You'll find the pass-through storage with Slam-Latch baggage doors will make unpacking easier than ever, and the rear ramp door/patio with anti-slip, non-skid flooring will allow you to unload your toys with no trouble at all. These toy haulers feature a three seasons garage wall/doors, a 30 gallon fuel tank with a timer, and exterior marine-grade speakers to keep the party going. The Climate Shield zero degree tested weather protection includes a 35,000 BTU furnace, PEX plumbing, and a fully enclosed and heated underbelly so you can enjoy your adventures year around. And we haven't even touched on the interior luxuries you'll find, like solid hardwood cabinet doors, residential vinyl flooring made in the USA, night shades, and more!

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