MCO united club, you generally need to be a United Club member or hold a qualifying ticket or status with United Airlines or its partner airlines. The specific eligibility requirements and access policies may vary, so it's advisable to check with United Airlines or visit their website for the most up-to-date information on accessing the MCO united club.

https://airportslounges.com/orlando-airport-lounges/united-club-orlando-terminal-b/