Middle Country Public Library in Centereach NY is a very nursing mother friendly place.
A mom wrote:
"A friend and I met with our little ones at the library this afternoon. At one point, we were both breastfeeding our toddlers. Another mom entered the play space with two older children and an infant in tow, and I wondered what she might think our bigger-than-infant nurslings. A few minutes later, I noticed she was breastfeeding her littlest. I approached her and joked that the three of us had created a nursing cafe..."