4The Penthouse Suite – Hôtel de Paris Monte-Carlo, Monaco

Price per night: $50,000
Monaco is the playground of the ultra-rich, and the Hôtel de Paris is its shining gem. The Princess Grace Suite, named after the iconic Hollywood actress-turned-royal, is the most coveted accommodation in the principality.
With 9,000 square feet spread across two floors, it offers two bedrooms, a sauna, a steam room, a private infinity pool, and a terrace that overlooks the glamorous Monte Carlo coastline. The suite is filled with curated art and personal belongings from Princess Grace herself, blending royal charm with modern grandeur.