Calling Investors and Air BnB or VRBO specialists - check out this cozy oceanfront studio in Miami Beach. Castle Beach Club is one of the few remaining buildings in Miami Beach that allows daily rentals. This unit rents for $120 to over $150 per night. This means 15%++ returns. This full-service building recently underwent a full renovation! 24-hour security, pool, gym, tennis courts, valet parking, and most importantly, it is right off the boardwalk and steps from the beach!