The main airport is Miami International Airport (MIA), but don't forget about Fort Lauderdale Airport (FLL) (and Southwest and JetBlue!). FLL is about a $35-$40 Uber/Lyft to Miami Beach.
The Miami Beach EDITION
The venue itself! Rooms are heavily reduced. The link is below, or call 1-855-725-4538 and reference the "Chen and Wang Wedding Room Block".
The Palms Hotel and Spa
A tropical oasis right next to the venue! Room block link below, or call (305)908-5479 and reference "Lily and Bo Wedding Group".
A small, chic hotel further from the madness of South Beach. Room block link below.