AMAGANSETT
Margaret Siebecker to Kate Friedman, 16 Whalers Lane, Aug. 1, $6,325,000.
BRIDGEHAMPTON
Kellis Pond L.L.C. to Alan Potamkin, 134 Kellis Pond Lane, Sept. 29, $15,700,000.
EAST HAMPTON
Berardo and Fabio Cardona to Alex Calle, 9 Cedar Drive, Aug. 5, $1,300,000.
43 Mile Hill L.L.C. to Town of East Hampton, 43 Mile Hill Road (commercial), Sept. 10, $1,600,000.
Marian Harper-Levine to Craig Velsor, 23 Shorewood Drive, Sept. 4, $1,775,105.
Favian Rios to Matthew Nguyen, 266 Accabonac Road, Aug. 29, $3,425,000.
EAST HAMPTON VILLAGE
Bruce and Jane Collins to Cosmic Studios East L.L.C., 4 Fresno Place (commercial), Sept. 11, $3,500,000.
MONTAUK
Antonio and Antonietta Staccuneddu to Fishtail Farmer L.L.C., 15 Tern Drive, Oct. 6, $1,500,000.
Fairview Montauk Acquisition II L.L.C. to Lamroth Hakol L.L.C., 123 Fairview Avenue, Oct. 9, $1,850,000.
29 Gannet Holdings L.L.C. to Jason Bayuk, 29 Gannet Drive, Sept. 3, $1,860,000.
NORTH HAVEN
Janis Bronstein to Catherine Lydon, 5 Cove's End Lane, Sept. 19, $2,475,000.
NORTH SEA
142 Shore Road L.L.C. to Giselle Dirienzo-Licursi, 142 Shore Road, Sept. 9, $2,950,000.
NOYAC
Back to the Yack L.L.C. to Stephen and Libby Weintraub, 4594 Noyac Road, Sept. 23, $2,175,000.
SAG HARBOR
Robert Lupi to Robert and Rachel Slovinsky, 19 Harbor Cove Court, Sept. 30, $2,375,000.
19 Walker L.L.C. to Elizabeth Alexander, 19 Walker Avenue (vacant), Oct. 3, $3,250,000.
SOUTHAMPTON
Estate of Maeve Shugrue to Nikolov-Varadzhakova Trust, 15 Maylen Drive, June 23, $1,630,000.
SOUTHAMPTON VILLAGE
Elizabeth Bierhorst Trust to Rosemarie DiCanto, 545 Hampton Road Apt 22, Aug. 25, $965,000.
Anne McIlvaine to 70 Old Town Crossing L.L.C., 70 Old Town Crossing, Sept. 2, $4,200,000.
Cobblefield Trust to David and Beth Wittig, 26 Cobblefield Lane, Sept. 8, $2,600,000.
Peter and Lorraine Bogan to 20 CPC L.L.C., 20 Channel Pond Court, Oct. 6, $14,300,000.
SPRINGS
AER Investco L.L.C. to 65 Runnymeade L.L.C., 65 Runnymede Drive, Sept. 10, $3,990,000.
WATER MILL
Niles Cohen to 16 Watermill Heights L.L.C., 16 Watermill Height Drive, July 17, $3,672,000.
Louis-Jacques and Magnolia Tanguy to Starr Chaser East L.L.C., 244 Little Noyac Path, Sept. 5, $6,200,000.
Data provided by Suffolk Vision, Inc.