We've always said that some of the best journeys through the tone universe don't require a custom itinerary — they just require the right ship. The Martin Custom Shop D-18 is exactly that: Custom Shop craftsmanship, Custom Shop materials, and the kind of handcrafted attention that most guitars at any price point never receive, delivered in a package that doesn't ask you to spend six months designing something from scratch. Just pure, high-end Martin Dreadnought, ready to launch. The Adirondack spruce top is where the mission begins — stiffer, more complex, and more dynamically alive than standard Sitka, the tonewood that pre-war Martins relied on and that players have been chasing ever since. Beneath it, GE-Scalloped hand-shaped bracing on a forward-shifted X pattern — the "hand-shaped" distinction being the precise moment where Custom Shop diverges from production line — gives this D-18 a vintage resonance and dynamic headroom that standard bracing cannot touch. Genuine mahogany back and sides deliver that focused, punchy, midrange-forward mahogany voice in its most authentic form, and the aging toner gloss top glows with the kind of warmth that makes you feel like you've already been playing this guitar for twenty years.

The faux tortoise binding is our favorite detail on this Custom Shop D-18 — a distinctive twist on the traditional Style 18 black binding that adds warmth and visual depth to the instrument's aesthetic without departing from the spirit of the design. Faux tortoise pickguard, heel cap, and endpiece carry the theme consistently around the entire instrument, creating a visual identity that feels simultaneously vintage and singular. Abalone Old Style 18 fingerboard inlay on ebony, an authentic script headplate overlay, Old Style 18 multi-stripe rosette, bone nut and saddle, and nickel open-gear tuners with butterbean knobs round out a guitar that represents the D-18 lineage at its finest expression — the workhorse format elevated to its full potential, no compromises accepted, no design session required. For any player ready to step into a Custom Shop instrument without the wait, the Custom Shop D-18 is a direct flight to the top of the Martin universe.

Top: Adirondack Spruce 
Finish Top: Gloss
Top Color: Aging Toner
Top Inlay Material: Multi-Stripe
Top Detail: None
Binding: Faux Tortoise
Bridge Material: Ebony
Bridge Style: GE Modern Belly - Drop in Saddle
Bridge String Spacing: 2 5/32"
Bridge Pin Material: Black Plastic
Bridge Pin Dots: None
Pickguard: Faux Tortoise 
Pickguard Inlay: None
Rosette: Old Style 18 Multi-Stripe
Saddle: Bone
Saddle Radius: 16"
Body Size: D-14 Fret
Construction: Dovetail Neck Joint 
Back Material: Genuine Mahogany
Side Material: Genuine Mahogany 
Body Finish: Gloss
Back Purfling/Strip: Style 18
Back Inlay Material: None
Bracing Pattern: Forward Shifted X-Brace
Brace Shape: GE-Scalloped Hand Shaped
Brace Material: Adirondack Spruce 
Brace SIze: 5/16"
Heel Cap: Faux Tortoise
Endpiece: Faux Tortoise
Endpiece Inlay: None
Neck Shape: GE Modified Low Oval
Neck Taper: High-Performace Taper
Neck Material: Mahogany 
Neck Color: Dark Mahogany
Neck Finish: Satin
Scale Length: 25.4"
Number of Frets: 20
Neck Joins Body: 14 Fret
Fingerboard Material: Ebony
Fingerboard Width at 12th Fret: 2 1/8"
Nut Width: 1 3/4"
Inlay Style: Old Style 18 
Fingerboard Inlay Material: Abalone
Fingerboard Binding: None
Headstock Shape: Solid with Square and Taper 
Headplate Material: East Indian Rosewood
Headplate Logo Style: Authentic Script Style Overlay
Headplate Binding Material: None
Headplate Detail: None
Tuning Machines: Nickel Open Gear
Knob: Butterbean
Nut Material: Bone
Case: Hardshell