Martin Custom Shop 0-18 Acoustic Guitar

The Martin Custom Shop 0-18 is a compact, 14-fret concert acoustic that brings true Custom Shop craftsmanship into a more accessible price bracket. Built with an Adirondack spruce top, genuine mahogany back and sides, and premium vintage-inspired appointments, it delivers a clear, articulate voice that is perfect for fingerstyle, songwriting and studio work. With its short 24.9 inch scale, comfortable GE Modified Low Oval neck and vintage gloss finish, this small-bodied Martin feels instantly familiar, plays effortlessly and rewards a light touch with remarkable nuance and dynamic range.

Designed in response to player demand for a high-end 0-size model, the Custom Shop 0-18 combines in-demand tonewoods with hand-shaped Golden Era scalloped X-bracing to capture the resonance and responsiveness of classic pre-war Martins. The focused low end, punchy midrange and sparkling trebles sit beautifully in a mix, making this an inspiring companion whether you are capturing ideas at home, tracking in the studio or performing in more intimate settings.

Compact 0-Size Body with Big Musicality

The 0-14 fret body size offers a smaller, more intimate feel without sacrificing tonal authority. Its focused projection and controlled bass response make it ideal for recording and ensemble playing, where you want your guitar to sit clearly in the mix rather than overpower it. The compact shape also makes it a superb choice for players who prefer a more comfortable, close-to-the-body playing experience for long sessions.

Adirondack Spruce Top with Genuine Mahogany Back and Sides

A solid Adirondack spruce top, finished in a tasteful ageing toner, is paired with genuine mahogany back and sides to deliver a classic, highly responsive Martin voice. Adirondack offers exceptional headroom and dynamic range, so the guitar responds beautifully whether you play delicately with your fingertips or dig in with a pick. Mahogany adds warmth, clarity and a woody midrange presence, giving you clear trebles, punchy mids and a tight, focused low end that suits fingerstyle, folk, blues and contemporary acoustic styles.

Golden Era Scalloped Bracing and Vintage Gloss Finish

Hand-shaped Adirondack Golden Era scalloped X-bracing is at the heart of this guitar’s lively, open tone. The lighter, carefully voiced bracing allows the top to move more freely, enhancing resonance, sustain and dynamic response while retaining structural integrity. Combined with the vintage gloss finish on the body and neck, the instrument feels and sounds like a well-loved classic, with a subtly broken-in character that encourages expressive playing straight out of the case.

Short Scale Comfort with GE Modified Low Oval Neck

The 24.9 inch short scale length reduces string tension slightly, making fretting easier and bends more controllable, which is especially welcome for fingerstyle players and songwriters who spend hours with the guitar in hand. The GE Modified Low Oval neck profile offers vintage-inspired comfort without feeling bulky, while the 1 3/4 inch nut width and ebony fingerboard provide ample room for intricate chord voicings and clean fingerstyle technique. The result is a refined, compact instrument that feels luxurious yet approachable, inviting you to play more and explore new ideas.

• 0-Size 14-Fret Concert Body - The compact 0-14 fret body delivers an intimate feel with focused projection, making it ideal for fingerstyle, songwriting and recording. Its controlled low end and clear midrange help your parts sit perfectly in a mix without overwhelming vocals or other instruments.
• Adirondack Spruce Top with Genuine Mahogany Back and Sides - A solid Adirondack spruce top paired with genuine mahogany back and sides provides a classic, articulate Martin tone. You get clear trebles, punchy mids and a tight, focused bass response, giving you a versatile voice that works across folk, blues, roots and modern acoustic styles.
• Golden Era Scalloped X-Bracing - Hand-shaped Adirondack Golden Era scalloped X-bracing enhances resonance, sustain and dynamic response. The top is allowed to breathe and move more freely, so the guitar feels lively and responsive under the fingers, rewarding a light touch with impressive nuance.
• Short 24.9 Inch Scale with GE Modified Low Oval Neck - The shorter 24.9 inch scale length offers a more relaxed playing feel with slightly lower string tension, while the GE Modified Low Oval neck profile provides vintage-inspired comfort. Combined with the 1 3/4 inch nut width and ebony fingerboard, it gives you excellent playability for both intricate fingerstyle work and relaxed chord playing.

Body

• Body Size: 0-14 Fret
• Top Material: Adirondack Spruce
• Top Colour: Aging Toner
• Top Finish: Vintage Gloss
• Back Material: Genuine Mahogany
• Side Material: Genuine Mahogany
• Back and Side Finish: Vintage Gloss
• Bracing Pattern: X Brace
• Brace Shape: GE-Scalloped Hand Shaped

Neck

• Neck Material: Genuine Mahogany
• Neck Finish: Vintage Gloss
• Neck Shape: GE Modified Low Oval
• Scale Length: 24.9"
• Number of Frets Total: 20
• Fingerboard Material: Ebony
• Fingerboard Inlay: Old Style 18
• Fingerboard Width at Nut: 1 3/4"

Hardware

• Tuning Machines: Nickel Open Gear
• Bridge Material: Ebony
• Saddle: Bone
• Pickguard: Faux Tortoise

Miscellaneous

• Strings: Authentic Acoustic Lifespan 2.0 Light (MA540T)
• Case: Hardshell