AMAGANSETT M. Cohn to E. and C. Fagan, 39 Wyandanch Lane, .52 acre, Jan. 10, $2,750,000.BRIDGEHAMPTONR. Miller to J. and J. Finestone, 18 Bridge Hill Lane, 1.07 acres, March 8, $1,850,000.J. Mansfield Trust to M. Picozzi, 857 Ocean Road, .94 acre, March 28, $3,900,000.EAST HAMPTONR. and C. Antoneck to J. and G. Kudon, 3 White Pine Road, 1.9 acres, March 14, $1,312,500.E. and D. Bucciarelli to D. Smith and R. Wallace, 21 Diane Drive, .86 acre, March 27, $2,300,000.Oyster Holdings L.L.C. to Y. and D.