Skip to content

Martin Super D-18 Dreadnought Acoustic Guitar Natural

by Martin
Original price $3,399.99 - Original price $3,399.99
Original price
$3,399.99
$3,399.99 - $3,399.99
Current price $3,399.99

Big Volume, Classic Voice

If you've ever played a Martin D-18 and thought, "This is great, but what if it were bigger?" — well, Martin heard you. The Super D-18 takes everything you already love about the legendary Style 18 dreadnought and scales it up. With 20% more internal air volume than a standard dreadnought, this guitar moves some serious air. You get thunderous bass, increased headroom, and projection that fills a room without breaking a sweat.

The tonewoods are classic Martin: a solid spruce top paired with solid genuine mahogany back and sides. It's the same combination that's been the backbone of countless recordings and live performances for nearly a century, delivering a balanced voice with warm mids, clear highs, and now, thanks to that expanded body, a low end that really punches. This is a guitar built for players who need to be heard — flatpickers driving a jam, singer-songwriters playing with a full band, or anyone who just wants that extra bit of sonic authority.

The Super D body isn't just about volume, though. Forward-shifted Golden Era scalloped X-bracing gives the top plenty of freedom to resonate, so you get rich sustain and dynamic response whether you're playing softly or digging in hard. It's a guitar that responds to your touch and rewards you with depth and clarity across the whole frequency range.

Playability That Doesn't Compromise

You might expect a bigger body to mean a chunkier neck, but Martin kept things comfortable. The Super D-18 features a GE Modified Low Oval neck profile with a high-performance taper, giving you a modern feel that's fast and inviting. The 25.4-inch scale length and 1 3/4-inch nut width offer plenty of room for intricate fingerstyle work or aggressive flatpicking, and the satin finish on the neck means smooth, effortless movement up and down all 20 frets.

The ebony fingerboard and bridge add durability and a crisp, articulate attack to each note. A compensated bone saddle ensures solid intonation, while nickel open-gear tuners with butterbean knobs keep you in tune and add a touch of vintage style. The guitar joins tradition with a dovetail neck joint, enhancing both resonance and long-term stability.

Style 18 Appointments with a Super Attitude

Visually, the Super D-18 stays true to Martin's understated Style 18 aesthetic. You'll find black binding, a faux tortoise pickguard, and an Old Style 18 multi-stripe rosette — classic touches that keep the focus on the wood and the music. The gloss finish on the top (with aging toner for a broken-in look) and dark mahogany back and sides gives the guitar a timeless, professional appearance.

The abalone Old Style 18 dot inlays provide clear visual reference without being flashy. This is a working musician's guitar through and through — built to sound great, play great, and look great doing it, whether you're on stage, in the studio, or sitting on the couch at home.

Product Features:

  • Super D-14 Fret body size with 20% more internal air volume than a standard dreadnought for increased projection and bass response
  • Solid spruce top with aging toner and forward-shifted Golden Era scalloped X-bracing for rich sustain and dynamic resonance
  • Solid genuine mahogany back and sides deliver warm mids, clear highs, and punchy low end
  • GE Modified Low Oval neck profile with high-performance taper for comfortable, modern playability
  • Ebony fingerboard and bridge with compensated bone saddle for crisp attack and accurate intonation
  • 25.4-inch scale length and 1 3/4-inch nut width provide versatile playing room for fingerstyle or flatpicking
  • Nickel open-gear tuners with butterbean knobs for stable tuning and vintage-inspired style
  • Traditional dovetail neck joint enhances resonance and long-term structural integrity
  • Classic Style 18 appointments including black binding, faux tortoise pickguard, and Old Style 18 rosette
  • Includes molded hardshell case for secure storage and transport

Brand: Martin

Model: Super D-18

SKU: 10Y25SUPERD18

Condition: New

Since 1872, C.A. House Music has been helping musicians across the Ohio Valley find the right gear -- with real advice from a team that actually plays. We're your authorized dealer of all the big names in guitars, keyboards, band instruments, drums, pro audio, and more. With four family-owned and operated locations in Ohio and West Virginia (plus a full online store), you don't have to go far for instruments, lessons, rentals, and repairs. No matter your musical needs, our team of musicians wants to help you Play Music for Life.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare