Martin Super D-18 Guitar image number 0
Back of Martin Super D-18 Guitar image number 1
Body of Martin Super D-18 Guitar image number 2
Headstock & Neck of Martin Super D-18 Guitar image number 3
Martin Super D-18 Guitar image number 1
Back of Martin Super D-18 Guitar image number 2
Body of Martin Super D-18 Guitar image number 3
Headstock & Neck of Martin Super D-18 Guitar image number 4

The Martin Super D-18 enhances a classic with a larger body for deeper bass and even greater projection. Mahogany and spruce deliver warmth and clarity in a bold design built to make every note count.

Specifications
What's Included
Description
At A Glance
Reviews

Description

The Martin Super D-18 takes the legendary Style 18 Dreadnought to the next level. With 20% more internal air volume than a standard Dreadnought, this Super D body delivers thunderous bass, increased volume, and extended dynamic range—all while keeping the iconic silhouette intact. Solid genuine mahogany back and sides add warmth and punch, while the spruce top ensures clarity and projection. Forward-shifted Golden Era scalloped X-bracing, as featured on the Modern Deluxe Series, makes every note responsive and powerful. Appointments like black binding, abalone dot inlays, and a satin-finished neck keep the look classic and the playability smooth. Paired with an ebony bridge and fingerboard, the Super D-18 is a bold evolution of an acoustic icon—built for players who want to be heard.

Specifications

Highlights

Super D-14 Fret body size
Genuine Mahogany back and sides
Spruce top with Aging Toner top color
GE Modified Low Oval with High-Performance Taper neck
1 3/4'' fingerboard width at nut
Molded Hardshell case
Recommended Strings: Authentic Acoustic Lifespan® 2.0 Guitar Strings Phosphor Bronze - Medium
Top Material: Spruce
Finish Top: Gloss
Top Color: Aging Toner
Top Inlay Material: Multi-Stripe
Top Detail: None
Binding: Black
Bridge Material: Ebony
Bridge Style: GE Modern Belly - Drop in Saddle
Bridge String Spacing: 2 5/32"
Bridge Pin Material: Ebony
Bridge Pin Dots: None
Pickguard: Faux Tortoise
Pickguard Inlay: None
Rosette: Old Style 18 Multi-Stripe
Saddle: Bone
Saddle Radius: 16"
Body Size: Super D-14 Fret
Construction: Dovetail Neck Joint
Back Material: Genuine Mahogany
Side Material: Genuine Mahogany
Back and Side Finish: Gloss
Back and Sides Color: Dark Mahogany
Back Detail: None
Side Detail: None
Back Purfling/Strip: Style 18
Back Inlay Material: None
Side Inlay Material: None
Bracing Pattern: Forward Shifted X Brace
Brace Shape: GE-Scalloped
Brace Material: Spruce
Brace Size: 5/16"
Heelcap: Black
Endpiece: Black
Endpiece Inlay: None
Neck Shape: GE Modified Low Oval
Neck Taper: High-Performance Taper
Neck Material: Select Hardwood
Neck Color: Dark Mahogany
Finish Neck: Satin
Scale Length: 25.4"
Number of Frets Total: 20
Neck Joins Body At: 14th Fret
Fingerboard Material: Ebony
Fingerboard Width at 12th Fret: 2 1/8''
Fingerboard Width at Nut: 1 3/4''
Fingerboard Inlay Style: Old Style 18
Fingerboard Inlay Material: Abalone
Fingerboard Binding Material: None
Side Dots: White
Headstock Shape: Solid with Square Taper
Headplate Material: East Indian Rosewood
Headplate Logo Style: Script Old Style Overlay
Headplate Binding Material: None
Tuning Machines: Nickel Open Gear
Knob: Butterbean
Nut Material: Bone
Case: Molded Hardshell
Label: None
Electronics: No
Left Handed Availability: true
Pleked: true

What's Included

Super D-18
Standard Series, Super D-14 Fret, Acoustic
Authentic Acoustic Lifespan® 2.0 Guitar Strings Phosphor Bronze - Medium
Pre-strung on instrument

At A Glance

Body Shape & Volume

Super D-14 Fret

Neck Shape

GE Modified Low Oval

NEW FOR 2026

Super D-18

Super D-18

Standard Series, Super D-14 Fret, Acoustic

$3,399.99
3.2 out of 5 Customer Rating

The Martin Super D-18 enhances a classic with a larger body for deeper bass and even greater projection. Mahogany and spruce deliver warmth and clarity in a bold design built to make every note count.

Select Preferred Hand: Right

Super D-18

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Specifications
What's Included
Description
At A Glance
Reviews
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