Ditto/Rafael-
Try:
"Zaino's Garden Center"
1038 Brush Hollow Rd.
Westbury, NY
516-333-7097
They usually stock bearing-age fig trees: Atreano, Brown Turkey, Petite Negri, Black Mission, etc. Call ahead....stock varies from year to year, and they are probably moving in new plants now.
Search; "Flatbush Fig Farm" might be another source....
"Keil Bros. Nursery"/Queens
You should have no troubles finding common variety fig trees on Long Island.
Try: Forum Member "ejp" for the more exotic/less common varieties.
Happy hunting!
Frank