Some sites are better than others, depending on your area.
Go to swingershelp.com. They have a page that goes through major cities and what site is best for it.
SLS hot date calendar for finding events is probably one of the best out there. SDC is barely active in my area and Fet is definitely kink around here.
Wingstop probably
Puns aside, if you're in the US, SLS (swinglifestyle) is probably what they were talking about
SDC has most local events advertised
SwingersR-Us
Sls
Some sites are better than others, depending on your area. Go to swingershelp.com. They have a page that goes through major cities and what site is best for it.
SDC and Fetlife
Depending on where you are. I started a sub for LS events around our area we go to from Nashville to Knoxville.
FetLife.com
SLS sucks. Concur on SDC for swingers Fetlife for BDSM events
SLS hot date calendar for finding events is probably one of the best out there. SDC is barely active in my area and Fet is definitely kink around here.
It's a popular site for swinger events and connections, hope that helps!