Martin O'ahu K-42 Hibiscus Guitar image number 0
Back of Martin O'ahu K-42 Hibiscus Guitar image number 1
Body of Martin O'ahu K-42 Hibiscus Guitar image number 2
Headstock & Neck of Martin O'ahu K-42 Hibiscus Guitar image number 3
Martin O'ahu K-42 Hibiscus Guitar image number 1
Back of Martin O'ahu K-42 Hibiscus Guitar image number 2
Body of Martin O'ahu K-42 Hibiscus Guitar image number 3
Headstock & Neck of Martin O'ahu K-42 Hibiscus Guitar image number 4

Inspired by history, the K-42 Hibiscus pairs a 12-fret body with a 14-fret neck for enhanced projection. Bold koa, reclaimed spruce, and hibiscus inlays make it both visually and sonically unforgettable.

Specifications
What's Included
Description
At A Glance
Reviews

Description

The Martin O’ahu® K-42 Hibiscus takes inspiration from the historic Kealakai body and reimagines it with modern innovation. Featuring a K-sized 12-fret body fitted with a 14-fret neck—an unprecedented first for Martin—it delivers extra projection and clarity while keeping the deep, powerful voice that shaped the Dreadnought’s origins. Crafted with striking broad-flamed koa back and sides, a reclaimed spruce top—used only once before in Martin’s history—in a dark toasted burst, and adorned with ornate hibiscus inlays, it’s as visually captivating as it is sonically rich. Style 42 details, Madagascar rosewood binding, and Waverly® tuners with Liquidmetal® posts add luxury and performance. Limited to just 100 guitars, the K-42 Hibiscus is the newest member of the Martin O’ahu family—an instrument where heritage and artistry meet.

Specifications

Highlights

K-12 Fret with 14 Fret Neck body size
Figured Koa back and sides
Sitka Spruce Reclaimed top with Dark Toasted Burst top color
GE Modified Low Oval with High-Performance Taper neck
1 3/4'' fingerboard width at nut
Hardshell case
Recommended Strings: Authentic Acoustic Lifespan® 2.0 Guitar Strings Phosphor Bronze - Medium
Top Material: Sitka Spruce Reclaimed
Finish Top: Gloss
Top Color: Dark Toasted Burst
Top Inlay Material: Abalone with Multi-Stripe
Top Detail: None
Binding: Madagascar Rosewood
Bridge Material: Ebony
Bridge Style: Modern Belly Pyramid- Drop in Saddle
Bridge String Spacing: 2 5/32"
Bridge Pin Material: Liquidmetal®
Bridge Pin Dots: Abalone
Pickguard: Faux Tortoise
Pickguard Inlay: None
Rosette: Style 45 Multi-Stripe
Saddle: Bone
Saddle Radius: 16"
Body Size: K-12 Fret with 14 Fret Neck
Construction: Dovetail Neck Joint
Back Material: Figured Koa
Side Material: Figured Koa
Back and Side Finish: Gloss
Back and Sides Color: Natural
Back Detail: None
Side Detail: None
Back Purfling/Strip: Style 45 Golden Era with Stripe
Back Inlay Material: Multi-Stripe
Side Inlay Material: Multi-Stripe
Bracing Pattern: X-Brace
Brace Shape: GE-Scalloped
Brace Material: Adirondack Spruce with VTS
Brace Size: 5/16"
Heelcap: Madagascar Rosewood with Multi-Stripe
Endpiece: Madagascar Rosewood
Endpiece Inlay: Multi-Stripe
Neck Shape: GE Modified Low Oval
Neck Taper: High-Performance Taper
Neck Material: Genuine Mahogany
Neck Color: Natural
Finish Neck: Gloss
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: Hibiscus Design
Fingerboard Inlay Material: None
Fingerboard Binding Material: None
Side Dots: Abalone
Headstock Shape: Solid with Square Taper and Diamond
Headplate Material: Ebony
Headplate Logo Style: Martin O'ahu Script Overlay (Back of Headstock)
Headplate Binding Material: None
Tuning Machines: Waverly Gold w/Liquidmetal Post w/Abalone Dot
Knob: Butterbean
Nut Material: Bone
Case: Hardshell
Label: Embossed Paper Label w/Model Name, Numbered in Sequence with Total 1 of 100, 2 of etc.
Electronics: No
Left Handed Availability: true
Pleked: true

What's Included

Martin O'ahu® K-42 Hibiscus
Custom & Special Editions, HG-14 Fret, Acoustic
Authentic Acoustic Lifespan® 2.0 Guitar Strings Phosphor Bronze - Medium
Pre-strung on instrument

At A Glance

Body Shape & Volume

K-12 Fret with 14 Fret Neck

Neck Shape

GE Modified Low Oval

NEW FOR 2026

Martin O'ahu® K-42 Hibiscus

Martin O'ahu® K-42 Hibiscus

Custom & Special Editions, HG-14 Fret, Acoustic

$14,999.99
4.7 out of 5 Customer Rating

Inspired by history, the K-42 Hibiscus pairs a 12-fret body with a 14-fret neck for enhanced projection. Bold koa, reclaimed spruce, and hibiscus inlays make it both visually and sonically unforgettable.

Select Preferred Hand: Right

Martin O'ahu® K-42 Hibiscus

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Specifications
What's Included
Description
At A Glance
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