Blues Dancing: A full calendar of NYC Blues events can be found here: BluesDanceNewYork.com
Fusion Dancing: Melting Pot Fusion Dance on the 2nd Friday of every month. Find out more about it here: FusionDanceNYC.com/Calendar
Contact Improvisation: Check out this blog for details: ContactImprovBlog.com/nyc
Argentine Tango: There is at least 1milonga every night of the week. Find them here: NewYorkTango.com
Lindy Hop: This blog is very well put together to find everything you might want: ThisWeekinSwingNYC There is also a calendar here: yehoodi.com (type in New York as the location)
West Coast Swing: Reliable information can be found here: https://www.nycwcs.com/
Brazilian Zouk Dancing: We have lots of Zouk. Information can be found here: https://www.facebook.com/groups/1953605508019354/
Mixed Ballroom Socials: A comprehensive list of Ballroom Socials in both New York & New Jersey (with reviews as well) can be found here: bailamosdance.com Some of the bigger ones are Friday Night Fever every 2nd & 4th Fridays at Stepping Out, Saturday nights at Manhattan Ballroom, every Friday at Manhattan Ballroom Society, and every other Sunday with the Marc Ballroom & Latin Social at Adelante Studios.
Contra Dance & Traditional Waltz: Calendar for the whole state of New York is here: contradancelinks.com Country Dance New York: cdny.org Brooklyn Contra: brooklyncontra.org
Salsa Dancing: Check out this calendar for all the info: SalsaNewYork.com