With the launch of a luxury submarine that plumbs the depths of the ocean and comes with soundproof chambers and a private chef, adventurous couples who have already been inducted into the Mile High Club may now take their love to a new level. The Lover’s Deep - one of the most expensive hotels, an underwater hotel can be found near a coral reef off the coast of St. Lucia or near a sunken battleship in the Red Sea.

However, love at the bottom of the sea isn't inexpensive. To board the submersible vessel. A captain, private chef and butler, speedboat transfers, and optional add-ons such as helicopter transfers, beach landing, two-person shower, and champagne-soaked breakfast are all available.

Furthermore, in Lover’s Deep, you have the ability to tailor the cruise to your personal interests, so if you prefer one place over another, the captain will obey your wishes. Staying in the world's most costly hotel would be a once-in-a-lifetime event that you'd never forget!

Location: Saint Lucia

Price: $150,000 a night

Hirst's Empathy Suite, which spans 836 square meters and occupies two levels within the Palms, is available for free to visitors with over $1 million in resort credit, or for $200,000 for a two-night stay.

The Empathy suite includes two master bedrooms, a cantilevered outdoor pool with views of the Las Vegas Strip, multiple lounges with seating for over 50 people, massage rooms, a salt relaxation room, a gym, two bathrooms, and a powder room, as well as two bathrooms and a powder room.

Hirst collaborated with New York firm Bentel & Bentel Architects on the suite, with local firm Klai Juba Wald Architects serving as the architect of record. Hirst's influence can be found in practically every part of the hotel room, from his designed furnishings and linens to six large-scale original artworks. The most striking is Winner/Loser, which features two bull sharks hung in formaldehyde in a white tank.

Location: Las Vegas

Price: $100,00 a night

The Royal Penthouse, which can sleep up to six guests and is accessible through a private lift, has three magnificent bedrooms and modern bathrooms, a light dining/living area, a kitchen, and a big entertainment area.

This one-level suite, which spans 325 square meters and is located on the hotel's 7th and highest floor, also features a magnificent 175 square meter patio with views of snow-capped mountains, the Rhône River, and the beautiful Old Town.

The suite may be easily transformed into a one-bedroom suite or linked to the 6th floor Royal Penthouse via a private lift to create the 577square meter six-bedroom Imperial Residence. The living area can also be turned into a full-size ballroom with 26-foot ceilings, which is a great party trick. One of the penthouse suite's best attractions is its 250-square-meter terrace with magnificent views of Central Park.

Location: Switzerland

Price: $80,000 a night

The Mark Hotel's penthouse is North America's largest and most costly hotel suite, measuring over 10,000 square feet and costing $75,000 a night. And if that isn't enough to pique your interest, how about a little complete fever? The luxurious apartment was reportedly the distinguished setting for Meghan Markle's baby shower last week, which was hosted by the Duchess of Sussex's close friend, tennis star Serena Williams.

What is inside the Mark Penthouse - one of the most expensive hotels? For openers, there are five bedrooms—two master suites, one in the west wing and the other in the east wing—as well as six bathrooms (one of which has a steam room), four fireplaces, two powder rooms, and two wet bars. A formal dining room with seating for up to 24 people, an immense library lounge, a full-size kitchen, and a big living area with 26-foot ceilings and a grand piano are also included in the bi-level home. The 232-square-meter outdoor terrace, which offers sweeping views of Central Park and Manhattan's skyline and is an unique amenity in the Big Apple, is the pièce de résistance.

Location: United States

Price: $75,000 a night

Architectural Digest praised the Ty Warner Penthouse at Four Seasons Hotel New York as "a visual tour de force of volumetric flourishes and carved surfaces," describing it as "a visual tour de force of volumetric flourishes and polished surfaces." The Ty Warner Penthouse is an architectural and aesthetic marvel that soars 52 floors into the sky, portraying a height and experience unequaled in luxury hotels, thanks to a seven-year partnership between I.M. Pei, Peter Marino, and visionary hotel owner Ty Warner. This crown treasure is still the most costly and spectacular one-bedroom penthouse in North America, and one of the world's most expensive apartments.

Warner, the suite's namesake and dreamer, had an unique mission: to create an experience that would raise the bar for even the most discerning luxury connoisseur and traveler. He succeeded in persuading legendary architect I.M. Pei to come out of retirement to collaborate on the project. The 400-square-meter Ty Warner Penthouse, the result of a seven-year, USD 50 million investment, exceeds expectations. To provide maximum openness and unrestricted cross views, the whole 52nd story of the Four Seasons Hotel New York was destroyed. There was no expense spared. To create the ideal castle in the skies, even concrete columns were eliminated.

Location: New York

Price: $60,000 a night

The 1,670-square-meter Penthouse Suite comprises two individual apartment-style apartments on the top floor. Each features two bedrooms, a living room, dining room, sauna, and a large outside terrace with spectacular ocean views. The design is simple but elegant, with dark mahogany wood furniture, velvet loungers, and beautiful lithographs from the 19th century.

Penthouse Suite 410 rooms and suites are a tribute to the renowned Riviera style, inspired by the iconic Art Deco style of the Hotel Martinez in the 1930s and the relaxing colors of the French Riviera. Every detail provides the comfortable and calm ambience of a "Mediterranean dream" on the famed Croisette, with white lacquer furnishings with gentle splashes of blue sky or bright yellow.

They are now working on creating a soothing garden with a pool and a spa to enhance your future experience.

Location: France

Price: $53,000 a night

The Muraka, the Maldives' and the world's first underwater hotel suite, opened its doors in 2018. It is part of Hilton Worldwide's Conrad Maldives Rangali Island Resort. On the upper floor, there is an en-suite master bedroom, en-suite twin bedroom, sun deck, and infinity pool, while the underwater half has a double bedroom and en-suite bathroom. At one of the most expensive hotels, the bedroom features a curving acrylic glass ceiling and walls that allow guests to see the sea life outside, as well as a floor-to-ceiling glass part in the en-suite bathroom and walk-in closet.

A stay at The Muraka is a one-of-a-kind experience, and guests can fly in straight from the airport or take a speedboat transport from the main resort. A private, on-call speedboat, gratis jet skis, a private butler and chef, on-call massage, spa treatments, and a personal trainer are all included in a stay.

Location: Maldives

Price: $50,000 a night

The mansion offers spectacular views of the island, which is owned by Austrian billionaire Dietrich Mateschitz, co-founder of Red Bull energy drinks. The entire resort consists of 25 immaculate rooms, each with its own private pool and stone bathtub. The other rooms start at $4,600 per night, with around half of them costing between $6,600 and $9,600. The Hilltop suite has only been hired a few times because of its expensive price.

Aside from the pools and views in Hilltop Villa, each visitor will have access to a personal chef, chauffeur, and nanny. With curved sofas protruding out from the walls, wooden chandeliers, and Moroccan-themed pillows, the home has a definite tree house vibe. While the hotel would not reveal who stays in their opulent apartments for privacy reasons, numerous Australian celebrities have already revealed details about their trips abroad.

Location: Fiji

Price: $45,000 a night

Another Royal Suite is located in Plaza Hotel, New York. The Plaza Hotel has hosted world leaders, diplomats, captains of industry, Broadway stars, and Hollywood aristocracy since its opening on October 1st, 1907. The Plaza has invited people from all around the world to enjoy its splendor at the castle on Central Park South for more than 100 years as a staple for opulent society occasions and blockbuster blockbusters. The Plaza's iconic address on Fifth Avenue continues to define elegance with unrivaled service and an ever-evolving modern sensibility.

Everyone who passes through the distinctive rotating door enjoys The Plaza's exceptional portfolio of exquisite experiences. At the Royal Suite, visitors enjoy Afternoon Tea in The Palm Court, relish the sights in the beautiful Champagne Bar, and travel back in time with The Rose Club's charm.

With the opening of the Legacy Suite collection, The Plaza continues to create a balance between its storied history and unlimited future by offering 282 different guestrooms, including 102 exquisite suites. The Plaza's bedrooms include dramatic lighting and beautifully finished woodwork, as well as classic crown molding juxtaposed against contemporary pieces of art and opulent fabrics, adding colorful textural features.

Location: New York

Price: $40,000 a night

The Royal Suite, one of the most expensive hotels, which is located in Dubai, United Arab Emirates, was billed as the world's first seven-star hotel, and it goes without saying that it exceeds expectations. The Royal Suite is the world's seventh-tallest hotel and was created by architect Tom Wright to resemble a ship's sail.

The hotel is located on a man-made artificial island with only a private curved bridge connecting it to the mainland.

The Burj Al-Arab boasts its own private helipad near the roof, approximately 210 meters above sea level, in addition to all the opulent bells and whistles you'd expect to see inside a seven-star hotel, such as an underwater restaurant accessible by submarine.

The two-story 780 square-meter suite is decked in 22-karat gold and features a private dining room, butler, spa, private lounge, and a large staff to attend to your every need.

Location: Dubai

Price: $30,000 a night