CERTIFICATION


Pursuant To Section 906 of the Sarbanes-Oxley Act of 2002 (subsections
and (b) of section 1350, chapter 63 of title 18,United States
Code), each of the undersigned officers of Narragansett Insured Tax-
Free Income Fund, do hereby certify to such officer's knowledge, that:

The report on Form N-CSR of Narragansett Insured Tax-Free Income Fund
for the period ended June 30, 2007, (the "Form N-CSR") fully complies
with the requirements of section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and information contained in the Form N-CSR fairly
presents, in all material respects, the financial condition and results
of operations of Narragansett Insured Tax-Free Income Fund.


Dated:  September 7, 2007			/s/  Diana P. Herrmann
						----------------------------------
						President and Trustee
						Narragansett Insured Tax-Free
							Income Fund

Dated:  September 7, 2007			/s/  Joseph P. DiMaggio
						----------------------------------
       						Chief Financial Officer and
       						Treasurer
						Narragansett Insured Tax-Free
							Income Fund


A signed original of this written statement required by Section
906, or other document authenticating, acknowledging, or otherwise
adopting the signature that appears in typed form within the electronic
version of this written statement required by Section 906, has been
provided to  Narragansett Insured Tax-Free Income Fund and will be
retained by Narragansett Insured Tax-Free Income Fund and furnished
to the Securities and Exchange Commission or its staff upon request.

This certification is being furnished solely pursuant to 18 U.S.C. ss.
1350 and is not being filed as part of the Report or as a separate
disclosure document.