Company: CGCT
Filing Date: 2025-04-10
Form Type: CORRESP
Source: 0001104659-25-033815
Chunk: 0

Company: Cartesian Growth Corp III
Filing Date: 2025-04-10
Form: CORRESP
Chunk 0
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Thomas R. Martin, Esq.
Tel 305.579.0739
thomas.martin@gtlaw.com

April 10, 2025

U.S. Securities and Exchange Commission
Division of Corporation Finance
Office of Real Estate & Construction
100 F Street NE
Washington, D.C. 20549-3561

| Attn: | Catherine De Lorenzo 
 Dorrie Yale          |

| Re: | Cartesian Growth Corporation III                      
 Amendment No. 2 to Registration Statement on Form S-1 
 Filed March 21, 2025                                  
 Amendment No. 3 to Registration Statement on Form S-1 
 Filed April 3, 2025                                   
 File No. 333-284565                                   |

Dear Ms. De Lorenzo and Ms. Yale:

On behalf of Cartesian Growth
Corporation III (the “Company”), we are hereby responding to the comment of the staff (the “Staff”) of the U.S.
Securities and Exchange Commission (the “Commission”) set forth in the Staff’s letter dated April 7, 2025 (the “Comment
Letter”) with respect to the above referenced Amendment No. 2 to the Registration Statement on Form S-1 (the “Registration
Statement”), filed with the Commission by the Company on March 21, 2025, and Amendment No. 3 to the Registration Statement, filed
with the Commission by the Company on April 3, 2025.

The Company is concurrently
filing with the Commission this letter and Amendment No. 4 to the Registration Statement (“Amendment No. 4”), which reflects
the Company’s response to the comment received by the Staff and certain updated information. For ease of reference, the text of
the Staff’s comment, as set forth in the Comment Letter, is included in bold-face type below, followed by the Company’s response.
All page references in the response set forth below refer to page numbers in Amendment No. 4. Capitalized terms used but not defined herein
have the meanings set forth in Amendment No. 4.

Amendment No. 2 to Registration Statement on Form S-1

Exhibits

| 1. | Please request that Cayman counsel revise its opinion in Exhibit 5.1 to remove inappropriate assumptions.                                
 In this regard, for example, we note paragraphs 2.8, 2.10, and 2.12. In addition, we refer to your qualification in paragraph 4.4