Two calls for artists just came across my email. Both are from organizations I’ve worked with before and who do a good job (so you won’t be exhibiting to yourself and families of the other artists, and your good work won’t be surrounded by clumsy stuff)
Provincetown Green’s Appearances Festival (international) – a big early Spring Arts shindig with camping and installations in Provincetown: http://provincetownconservationtrust.org/appearances/ Come for the party atmosphere, the hiking and camping, stay for the art and the locale.
bjspoke is a coop gallery located in the heart of Huntington, NY, a small city right on the border of Nassau and Suffolk counties on long Island. It is a NYC bedroom community and a cultural center for NW Suffolk county. The gallery is on the main street and gets a decent crowd at openings for juried shows.