NSAR-A/A

      PAGE  1
000 A000000 04/30/2000
000 C000000 0000891188
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 Y
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 MUNIYIELD FLORIDA INSURED FUND
001 B000000 811-7156
001 C000000 6092822800
002 A000000 P.O. BOX 9011
002 B000000 PRINCETON
002 C000000 NJ
002 D010000 08543
002 D020000 9011
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
007 C010200  2
007 C010300  3
007 C010400  4
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
062 A000000 Y
062 B000000   0.0
062 C000000   0.0
062 D000000   0.0
062 E000000   2.7
062 F000000   0.0
062 G000000   0.0
062 H000000   0.0
062 I000000   0.0
062 J000000   0.0
062 K000000   0.0
062 L000000   0.0
062 M000000   0.0
062 N000000   0.0
062 O000000  94.3
062 P000000   0.0
062 Q000000   0.0
062 R000000   0.0
      PAGE  2
071 A000000     41745
071 B000000     36902
071 C000000    162080
071 D000000   23
072 A000000  6
074 N000000   172716
074 T000000   112513
075 A000000        0
075 B000000   172186
077 A000000 Y
SIGNATURE   DONALD C. BURKE
TITLE       TREASURER

EX-99.77O

MUNIYIELD FLORIDA INSURED FUND

FILE # 811-7156

ATTACHMENT 77O

TRADE DATE	DESCRIPTION OF SECURITY	ISSUE SIZE	AMOUNT PURCHASED	MEMBER OF UNDERWRITING SYNDICATE FROM WHOM FUND PURCHASED
11/10/00	Miami-Dade FL Ed Fac 5.75 4/1/29	$136,540,000	$4,000,000	Morgan Stanley
2/10/00	Palm Beach FL 6.25 8/1/25	$155,000,000	$10,000,000	Salomon Smith Barney
2/18/00	FL Housing Fin. Corp 6.25 7/1/22	$110,944,705	$1,650,000	William R. Hough
		$	$
		$	$
		$	$
		$	$