Oh yeah I'm sure you'd find Monero people there too. They're all over Bitcoin conferences according to sethforprivacy.

Also possible

The advantage of Retoswap is that it locks up both party's Monero in a 2/3 multisig wallet (same way Bisq used to work). The seller risks 115% of the value of the transaction and the buyer risks 15% in Monero. If either tries to scam they lose everything once the arbitrator decides who's at fault.