South Ave, Smithtown
- South Ave Island Preservation Project Ll
- South Ave Santoro, Adelgisa
- South Ave Randazzo, James
- South Ave Town, Of Smithtown
- 1 South Ave Johns, Brian R/Michelle
- 2 South Ave Welz, Joseph
- 3 South Ave Palma, Alberto
- 4 South Ave Martinelli, Vincent
- 5 South Ave Huertas, Daniel
- 6 South Ave Piazza, Christopher/Tabytha
- 7 South Ave Cammerato, Darren
- 8 South Ave Kennedy, Ashley
- 10 South Ave Williamson, Camille E
- 12 South Ave Games, Michael/Ashley
- 14 South Ave Altemose, James
- 16 South Ave Lloyd, Kathleen
- 18 South Ave Santucci, Scott
- 19 South Ave Buergert, Walter
- 20 South Ave Santoro, Adelgisa
- 21 South Ave Caldarera, William/Olga
- 22 South Ave Carollo, Elizabeth A
- 24 South Ave Dunbar, Robert
- 25 South Ave Naas, Scott
- 27 South Ave Ferraro, Vito
- 29 South Ave Sciortino, Mark/Valbona
- 30 South Ave Whitehurst, Brian
- 31 South Ave Ridolph, Gary/Lisa
- 32 South Ave Gerbino, Maurizio/Jamie
- 33 South Ave Delanty, George/Jean Marie
- 34 South Ave Michaels, Charles
- 36 South Ave Hogan, Jonathan
- 37 South Ave Wydrycs, Patricia
- 39 South Ave Sharma, Mehulkumar
- 40 South Ave Rianna, Cristina
- 41 South Ave Dias, Marco A/Lauren
- 42 South Ave Aslantas, Metehan
- 43 South Ave Colonna, Barbara
- 44 South Ave Aversano, Katherine
- 45 South Ave Ostrofsky, Shawn/Catherine
- 46 South Ave Costeira, Manuel
- 50 South Ave Scott, John/Margaret
- 51 South Ave Hooper, Edward/Frances
- 54 South Ave Chan, Jerry
- 55 South Ave Diehl, Joseph P/Meghan J
- 56 South Ave Bischoff, Mark
- 57 South Ave Moon, Hyuk Noh/Jenny Cho
- 59 South Ave Perrone, Joseph
- 60 South Ave Lawler, John
- 61 South Ave Masselli, George
- 64 South Ave Schoepe, Herman Dieter
- 65 South Ave Schiavone, Michael
- 66 South Ave Toth, Paula
- 67 South Ave 67 South, Llc
- 70 South Ave Toth, John