5445 Collins Ave #L6 & CU2A, Miami Beach, FL Commercial Real Estate for Sale. 5445 Collins Ave, Miami Beach. Two commercial units (L-6 & CU2A) totaling 4,114 SF are offered for sale within the Castle Beach Club on prestigious Millionaires Row. The property is currently operating as a Restaurant & Lounge, an established restaurant with seating capacity and a fully transferable 4COP liquor license assigned. The space offers Ocean and Pool views and benefits from no restrictions on concept or hours of operation. Live music and entertainment is allowed within established sound guidelines. The building has completed its 40-year recertification. Valet parking is available on site. Send me a text or email for better assist you.