Green’s Dictionary of Slang

(US gay) South Beach Miami, Florida, popular among gay men.

1993		Jrnl News (White Plains, NY) Travel 13 June H6/6: Residents hope to nurture culture. But some doubt SoBe will ever be anything but a vacuous vacation-land.
1996		Chicago Trib. 8 May 4/3: Worries that some gays afflicted with AIDS, who have come to spend their last days in SoBe, are not taking precautions.
2010		Sth Florida Sun Sentinel (Fort Lauderdale, FL) 15 Jan. 34: [advert] SOBE Comedy festival. 8 Jan. [...] Miami Beach.