497J 1 j497.txt DEFINITIVE LETTER FIRST TRUST PORTFOLIOS L.P. 1001 WARRENVILLE ROAD LISLE, ILLINOIS 60532 June 5, 2008 Securities and Exchange Commission 100 F Street NE Washington D.C. 20549 Attn: Filing Desk, Stop 1-4 Re: FT 1709 (File No. 333-150046) (CIK No. 0001430018) Gentlemen: In accordance with the provisions of Rule 497(j) of Regulation C under the Securities Act of 1933 (the "Securities Act") this letter serves to certify that the most recent amendment to the registration statement on Form S-6 for the above captioned Trust does not differ from that which would have been filed pursuant to Rule 497(b) of the Securities Act. Amendment No. 2, which was the most recent Amendment to the Registration Statement, was filed electronically with the Commission on May 30, 2008. Very truly yours, FT 1709, Registrant By: FIRST TRUST PORTFOLIOS L.P., Depositor