Now $253 (Was $̶5̶1̶3̶) on Tripadvisor: National Hotel, An Adult Only Oceanfront Resort, Miami Beach. See 2,847 traveler reviews, 2,459 candid photos, and great deals for National Hotel, An Adult Only Oceanfront Resort, ranked #36 of 231 hotels in Miami Beach and rated 4.5 of 5 at Tripadvisor.