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Martin Super D-18 (102)

The legendary D-18, supersized with 20% more air volume for thunderous bass, massive projection, and incredible dynamic range.

$3,399.99

Same price at every authorized dealer. The difference is what comes with it.

SKU: 234197
Serial: 3044102
Weight: 4lbs 5oz/4.3lbs

0% for 36-48 months available

4.8
Rated 4.8 out of 5
98% Recommend

557 reviews

1 In Stock - Inspected & ready to ship.

72-Hour Love-It Guarantee — Free returns

Inspected 3X Before Shipping

Free 1-4 Day Delivery

1 in stock

Talk To A Player Before You Buy

Rob and Cory are gigging musicians who know gear inside and out. They'll give you the straight answer—even if it means pointing you somewhere else.

Quick Specs

  • Genuine Mahogany | Aging Toner
  • GE Modified Low Oval | Ebony (16" Radius)
  • Acoustic
  • 25.4" Scale Length | 20 Frets
  • Super D Body Size for Increased Volume

Player-Perfect™ Pro Setup Included

Our techs are all seasoned players, so they dial in every guitar like it’s going into their own rig—perfect intonation, action set exactly right, ready to rip from the first note.

Want it YOUR way? Tell us at checkout: string gauge, action height, whatever you need. We’ll nail it before shipping.

Product Description

More of a Good Thing: The Martin Super D-18

Martin just answered a question players have been asking for decades: what if a D-18 was… bigger? The new Super D-18 takes the legendary mahogany dreadnought platform and expands on it, literally. With 20% more internal air volume than its classic counterpart, this guitar is an absolute cannon, delivering thunderous low-end and a dynamic range that has to be played to be believed.

The core of its voice is pure Style 18, warm, woody, and articulate, but with an authority and projection that’s all its own. This isn’t just a loud guitar; it’s a responsive instrument that captures every nuance of your playing style, from a gentle fingerstyle passage to a full-force flatpicked strum. It’s the D-18 you know and love, just with a whole lot more to give.

Supersized Tone, Classic Feel

The heart of the Super D-18 is its tonewood combination: a solid Spruce top on genuine Mahogany back and sides. This classic pairing is known for its fundamental-rich voice and clear, direct punch. Martin enhances this with forward-shifted, scalloped Golden Era-style bracing, making the top incredibly responsive. The result is a guitar that blooms with harmonic complexity and sustains for days, offering a truly inspiring playing experience.

Unmistakably Martin

Despite its larger body, the Super D-18 feels surprisingly comfortable. The GE Modified Low Oval neck with its High-Performance Taper is a joy to play, offering a modern feel that’s fast and familiar. Classic appointments like the Old Style 18 rosette, faux tortoise pickguard, and nickel open-gear tuners maintain that timeless Martin aesthetic. It’s a bold evolution of an icon, built for the player who demands to be heard.

Anatomy of a Tone Machine

Anatomy of a Tone Machine

Perfect for: Bluegrass • Country • Folk • Singer-Songwriter

Tone

  • Deep, resonant bass with a powerful, woody thump.
  • Warm and clear midrange that cuts through a mix without being harsh.
  • Sweet, articulate highs with plenty of headroom.
  • Extremely wide dynamic range, from a whisper to a roar.

Playing Feel

  • A large but well-balanced body that feels powerful in your lap.
  • The GE Modified Low Oval neck is fast and comfortable for any playing style.
  • Instantly responsive to both a light touch and aggressive strumming.
  • A satin neck finish ensures smooth, effortless position changes.

Versatility

  • Excels at flatpicking and rhythm playing, driving the sound of a full band.
  • Responds beautifully to fingerstyle arrangements, with clear note separation.
  • An ideal recording guitar for achieving a huge, foundational acoustic track.
  • Sits perfectly in a mix, providing warmth and power.

Complete Technical Specs

Body Specs

TypeAcoustic
ShapeSuper D-14 Fret
Top WoodSpruce
Back & Sides WoodGenuine Mahogany
FinishGloss Body, Satin Neck
ColorAging Toner Top, Dark Mahogany Back/Sides
BracingForward Shifted, Scalloped GE X-Brace

Neck Specs

WoodSelect Hardwood
ProfileGE Modified Low Oval
TaperHigh-Performance Taper
ConstructionDovetail Neck Joint
FinishSatin

Fingerboard Specs

MaterialEbony
Radius16"
Frets20
InlaysOld Style 18 Abalone Dots
NutBone, 1 3/4"

Electronics Specs

Hardware Specs

BridgeEbony GE Modern Belly
SaddleCompensated Bone
TunersNickel Open Gear w/ Butterbean Knobs

Measurements

Scale Length25.4"
Nut Width1 3/4"
The Lowdown

The Lowdown

We get it. Buying a guitar you haven’t played is a big decision. You need to know it’s going to feel right, sound right, and inspire you the second you open the case. We put together the questions we’d be asking if we were in your shoes—the real-world stuff that specs alone can’t answer. If there’s anything else you’re wondering about, just give us a call.

The body size. The Super D has 20% more internal air volume, which translates to a significantly deeper bass response, more overall volume, and a wider dynamic range. It’s built for players who need maximum projection and power from their acoustic.
Yes, it features the popular GE Modified Low Oval shape with a High-Performance Taper. If you’re comfortable on modern Martin necks, you will feel right at home on the Super D-18. The satin finish makes it fast and smooth to play.
Of course. Every guitar gets our full Player-Perfect™ setup, but tell us your preferred string gauge and action at checkout, and we’ll dial it in exactly to your spec before it leaves the shop.
This guitar is covered by our 72-Hour Love-It Guarantee. If you’re not completely inspired by it, just let us know. We’ll make it right.
Orders ship same day in most cases and arrive within 1-4 business days with free, insured shipping. We’ll get it into your hands as quickly as we can.
Call us at (888) 794-8482. You’ll talk to a real musician who can answer anything you need to know.
The Moore Guitars Difference

Player-Perfect™ Setups

Every guitar we sell is dialed in by seasoned musicians. We obsess over the details—perfect intonation, immaculate fretwork, and ideal action—so your guitar is ready to rip right out of the case. No exceptions.

Advice From Real Players

Call us and you get a fellow musician, not a script. We'll help you compare neck profiles, talk tone, and find the right guitar for you—even if it's not this one. Our reputation is built on honest conversation.

49+ Years Of Trust

Family-owned since 1976, we stand behind everything we sell. That's why we have a 72-Hour Love-It Guarantee. If you're not inspired, send it back on our dime for a full refund. Your satisfaction is our legacy.

BBB Accredited Top 300 Reverb Seller Fender Top Rated Dealer

4.8
Rated 4.8 out of 5

244 reviews

98% Recommend

313 reviews

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