Inside the secret masquerade yacht party that brings the wildest techies and Wall Streeters together for a night of debauchery

By 10:30 p.m., I was ready to collapse on the dance floor. Everyone else was heading to an afterparty at a far-off warehouse. That's the kind of party New York's Burlesquerade is. Now in its 7th year, the annual costumed gala has grown from a birthday party in a tiny apartment to an extravaganza on …