Martin

collapse expand iconDescription

The Martin C1K Concert Ukulele Natural delivers the signature sound quality and craftsmanship you expect from Martin. This concert-sized ukulele features a solid koa top, back and sides for a rich, melodic tone with ample projection. The all-koa construction gives the C1K a warm, balanced tone with clear, ringing notes across the tonal spectrum. The satin finish enhances the natural beauty of the koa wood grain. With its comfortable concert body size, the C1K is ideal for any player looking for full, resonant tone in a portable size.

Solid Koa Wood Construction Produces a Warm, Nuanced Tone

The C1K is crafted from solid koa, a wood native to Hawaii prized for ukulele and guitar construction. Koa delivers a warm yet articulate tone with complex overtones, and its density helps produce volume and sustain. The all-koa build gives the C1K a lush, resonant voice with a woody midrange, crisp treble and rich bass. The satin finish allows the koa's natural beauty to shine through while protecting the wood.

Concert Size Offers Comfort and Projection

With its concert size, the C1K provides a comfortable playing experience for most hand sizes while offering more volume and bass response than a soprano ukulele. The concert body helps the C1K produce full, ringing tone with clear, articulate notes. Whether strumming chords or fingerpicking melodies, the C1K concert ukulele cuts through with ease.

Legendary Martin Craftsmanship and Quality

For over 100 years, Martin has been producing premium ukuleles and guitars renowned for their tone, playability and durability. The C1K is built using time-honored techniques and the highest quality materials by skilled craftsmen in Martin's Mexico facility. With its solid wood construction, comfortable size and resonant voice, the Martin C1K concert ukulele is an instrument you'll enjoy playing for years to come.

Includes Padded Gig Bag for Easy Transport

The C1K comes with a padded gig bag to safely transport your ukulele to lessons, jams, rehearsals and performances. The bag features padding, handles and a shoulder strap for comfortable carrying, as well as extra storage space for accessories like tuners, straps and sheet music.

Martin C1K Concert Ukulele Natural
Martin C1K Concert Ukulele Natural
Martin C1K Concert Ukulele Natural

collapse expand iconFeatures

  • Concert size body
  • Solid Hawaiian Koa top, back and sides
  • Dovetail neck joint
  • Select hardwood neck
  • High quality satin lacquer
  • Includes gig bag

collapse expand iconSpecs

  • Model: C1K Uke
  • Construction: Mahogany Blocks/Applied Dovetail Neck Joint
  • Body Size: Concert Uke
  • Top: Solid Hawaiian Koa
  • Rosette: Black/White/Black Boltaron
  • Top Bracing Pattern: Concert Ukelele
  • Top Braces: Solid Sitka Spruce
  • Back Material: Solid Hawaiian Koa
  • Back Purfling: none
  • Side Material: Solid Hawaiian Koa
  • Endpiece: none
  • Endpiece Inlay: none
  • Binding: none
  • Top Inlay Style: none
  • Side Inlay: none
  • Back Inlay: none
  • Neck Material: Select Hardwood
  • Neck Shape: Concert Uke
  • Nut Material: White Tusq
  • Headstock: Solid/Uke Taper
  • Headplate: Solid Hawaiian Koa or Solid Tasmanian Blackwood
  • Heelcap: none
  • Fingerboard Material: Solid Sipo
  • Scale Length: 15
  • Number of Frets Clear: 14
  • Number of Frets Total: 17
  • Fingerboard Width at Nut: 1-13/32''
  • Fingerboard Width at 12th Fret: 1-13/16''
  • Fingerboard Position Inlays: One @ 5th, Two @ 7th, One @ 10th - Whte ABS
  • Fingerboard Binding: none
  • Finish Back & Sides: Satin
  • Finish Top: Satin
  • Finish Neck: Satin
  • Bridge Material: Solid Morado
  • Bridge Style: Concert Uke Style
  • Bridge String Spacing: 1-41/64''
  • Saddle: White Tusq
  • Tuning Machines: Nickel Open-Geared w/ White Buttons
  • Recommended Strings: Martin Ukulele (M600)
  • Bridge & End Pins: none
  • Pickguard: none
  • Interior Label: Paper

collapse expand iconWarranty

One year warranty on Martin Backpackers, Little Martins and Ukuleles. Limited lifetime on other Martin guitars.

Featured Articles

collapse expand iconReviews

4.8

10 Reviews

100%

of respondents would recommend this to a friend

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  1. Experienced2
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  1. Good Tone4
  2. Consistent3
  3. Long Life1
  4. Well Built / Quality1
  5. Powerful crisp sound.1
  • Great Martin Uke

    5

    Verified BuyerVerified Buyer

    submitted7 years ago

    byGerald

    fromUndisclosed

    I have been playing string instruments for over 50 years. I have had an interest in ukes for sometime an decided to buy a concert size. I read many reviews and started to focus on the Martin C1K. Most reviews were positive but some were negative, which is to be expected, as everyone has their own expectations for what good product should be. My Martin arrived and I went over every aspect of it very closely. It was excellent. The uke plays well, sounds very good and the workmanship was really very good. I even liked the wood my uke was made from. The 5 stars is based on the price point, it is not meant to compare with $1000 plus priced ukes. This was a great choice for me and I would highly recommend this uke to everyone. It looks and plays like many of the older Martin ukes that I have handled. My experience with this uke and with Guitar Center was very positive.

  • Beautiful Koa Martin Concert Ukulele

    5

    Verified BuyerVerified Buyer

    submitted7 years ago

    byJames

    fromundisclosed

    Pretty koi Martin concert use. Very nice tone and comfortable to play. Nicely detailed finish.

  • Very satisfied with my new Martin C1K.

    5

    Verified BuyerVerified Buyer

    submitted8 years ago

    bySlinky J

    fromLas Vegas

    I strum my Martin C1K on a daily basis an it works like a charm, good intonation and resonance .

  • You cannot go wrong with Martin C1K..

    5

    Verified BuyerVerified Buyer

    submitted8 years ago

    byLinda

    fromundisclosed

    The uke arrived as promised.. I have to say I was a little nervous opening the box but it was exactly what I wanted. The color was a beautiful satin koa.. absolutely no imperfections. I have spent the first couple of days tuning but the strings are now pretty settled in.. Love the sound.. This is so easy to play & I would recommend to anyone looking to explore the ukulele. FUN..!!!

  • Perfect -

    5

    Verified BuyerVerified Buyer

    submitted9 years ago

    byRook

    fromArcadia, CA

    Very very happy with this purchase. Its solid quality without the flair. So you pay for the quality of the music and not the look. The tuning pegs are top quality here too which will make a significant difference down the road. The only thing I am thinking about changing is the strings - but thats such a minor thing in the big picture. This uke will be with me and my family for a lifetime. Buy quality so that your kids will have it one day!

  • 5 star Uke. Plays and sound amazing.

    5

    Verified BuyerVerified Buyer

    submitted9 years ago

    byJason

    fromHuntington Beach, CA

    Great high end instrument. Martin is the best.

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collapse expand iconQ&A

Have a question about this product? Our expert Gear Advisers have the answers.

  • asked byBrenda

    fromEugene, OR

    I am wondering if you have a low G set of strings for this Martin C1K ukulele?

    I am wondering if you have a low G set of strings for this Martin C1K ukulele?

    Open Reply - Gear-Support
    AQUILA 8U Nylgut Wound Low G Concert Ukulele String Set
  • asked byDebbie

    fromCamano island, Washington

    Is this all solid wood?

    Is this all solid wood?

    Open Reply - Gear-Support
    Yes, it is: "Solid Hawaiian Koa top, back and sides"
  • asked byDan

    fromFlorida

    Where is it made? If China, what ukuleles do you have made in the USA?

    Where is it made? If China, what ukuleles do you have made in the USA?

    Open Reply - Thomas
    US made.
  • asked byLizUke

    fromPortland

    I've read in external reviews that the Martin C1K ukulele can be ordered  with a reversed bridge and saddle for LEFT handed stringing, but that isn't an option on your website. Can you tell me how to order one?

    I've read in external reviews that the Martin C1K ukulele can be ordered with a reversed bridge and saddle for LEFT handed stringing, but that isn't an option on your website. Can you tell me how to order one?

    Open Reply - Thomas
    A Special Order may be possible if the item is in production. Please call us 855-770-3373
  • asked byLaura

    fromJackson, TN

    Does this ukulele come with a factory set up?

    Does this ukulele come with a factory set up?

    Open Reply - Ronald
    Yes it does. But it may require slight adjustment to be exact for personal preference.
  • asked byD

    fromNew Jersey

    Knowing that KOA has varying shades of tone, would it be possible to get a picture of the item?

    Knowing that KOA has varying shades of tone, would it be possible to get a picture of the item?

    Open Reply - Kenneth
    Unfortunately additional pictures are unavailable.
  • asked bySusan

    fromSheraton hotel parsippany nj

    Can you buy this in your parsippany nj store

    Can you buy this in your parsippany nj store

    Open Reply - Ronald
    I'm not showing they have any in stock, but you can order one and have it shipped to you.
  • asked byrosie

    fromMendocino, CA

    I have a Martin C1K Concert Ukulele.  It had it's original strings until I removed them.
What is the proper model of Martin string for me to restring it?

    I have a Martin C1K Concert Ukulele. It had it's original strings until I removed them. What is the proper model of Martin string for me to restring it?

    Open Reply - Kenneth
    Any concert size ukulele string will fit this model