The Martin 000-45S Stephen Stills Signature Edition was made in 2005 - in a production run limited to 91 instruments. Stephen Stills was a long time user and collector of Martin Guitars and already had a Martin D-45SS Signature Model (introduced in 1998).

Martin introduced the Bellezza Nera model in 2004. The Bellezza Nera design concept was a collaboration between Eric Clapton and Hiroshi Fujiwara: and C.F. Martin initially made eight prototypes before releasing the model as a limited edition to the public. There was also a white version - the 2006 Belleza Bianca model.

Martin announced the 000-ECHF BELLEZZA NERA  in the July 2004 Sounding Board newsletter as follows:

MARTIN made the BOB SHANE D-28KTBS (2003, LIMITED EDITION) between 2003 and 2004

The Martin D-100 Deluxe Commemorative Edition was released in 2004 to mark the millionth Martin guitar. These Commemorative D-100 Deluxes were limited to a production run of 50 and have the serial numbers 1,000,001 to 1,000,050 - signed and hand numbered by C.F. Martin IV. The D-100 Deluxe had Brazilian rosewood back and sides, and Adirondack spruce top. The guitar was adorned with elaborate Victorian and Baroque styled abalone inlays on the back, pickguard, peghead, fingerboard and bridge. Even the gold Waverly tuners were hand engraved.

Martin's “Style 50” represents the highest level of ornamentation and elegance in the Martin line. The first D-50 Deluxe was constructed with Brazilian rosewood back and sides and introduced in 2001. Following on the success of those instruments, Martin introduced a second generation of this special style in 2003. The D-50 Koa Deluxe Limited Edition was made with Hawaiian koa back and sides, and like its predecessor, limited to no more than 50 special guitars, each individually numbered and personally signed by Martin Chairman and CEO, C. F. Martin IV.

The D-41DF Dan Fogelberg Signature Edition model is a classic Martin Dreadnought. The top is bookmatched sitka spruce. East Indian rosewood is used for the back and sides and mahogany for the neck. The fingerboard is ebony with hexago inlays. There is 5/16" standard X-bracing under the soundboard and a style 45 mosaic backstrip joins the two-piece rosewood back. Green abalone is inlayed around the top, the soundhole, on the style 41 headstock and on fingerboard begin at the 3rd fret). Dan Fogelberg’s signature is inlaid at the 20th fret.

The 2002 limited edition model of the Martin Eric Clapton 000-28ECB was limited to around 500 instruments. For the back and sides of this edition Martin dipped into their limited stash of precious Brazilian rosewood.

The 000-28ECB is based on the stock Martin Eric Clapton 000-28EC model which was introduced in 1996 and became one of Martin’s most popular stock models. The 000-28ECB was the third Martin Eric Clapton limited edition model (it was preceeded by the 000-42EC and the 000-42ECB).

The Martin 000-42ECB was released in In February 2000. It was the second Martin Eric Clapton Signature model (Eric was the first guitarist to have 2 Martin limited edition models). Only 200 were made in total. The 000-42ECB was identical to the 1995 Martin 000-42EC Clapton limted edition model, which was limited to 461 instruments.

Martin issued the following press release in 2000 announcing the 000-42ECB model:

The HDO GRAND OLE OPRY (2004, LIMITED EDITION) was made between 2003 and 2004

The Martin OM-28 John Mayer was a limited edition signature model made in 2003 only.The guitar was limited to a run of only 404 (an Atlanta area code). Martin issued the following press release announcing the OM-28 John Mayer model:

The OM-45 Deluxe was originally made in 1930 and only 14 were produced. This model was the most expensive of the Martin flat-tops at the time. In 1998, Martin made another 14 OM-45 Deluxe guitars, just like the 1930s model. The 1998 model was named the Limited Edition OM-45 Deluxe Golden Era. It had an adirondack spruce soundboard and matching braces, abalone floral pattern inlaid tortoiseshell pickguard, hand-engraved & gold-plated banjo tuners with real Mother-Of-Pearl buttons. Even the back inlay strip had the same mosaic as the original style.

The Martin Stephen Stills Signature D-45 was made as a very limited edition around 1998/1999 as was their most expensive model at the time. The Martin D-45 SS was based on Stephen Stills' own 1939 Martin D-45. Fingerboard inlays were snowlake or optional hexagonal with Stephen Stills Signature inlaid between 17th & 20th Frets. The tortoiseshell pickguard had a Southern Cross star constellation inlay.