The world is full of fascinating destinations that promise unforgettable experiences for travelers. Every year, tourism trends evolve, and new places position themselves as must-sees on bucket list adventures. 2025 is no exception, featuring a mix of summer cities that combine paradisiacal beaches, sunny weather, and outdoor activities . From vibrant seaside resorts to exotic islands, the coming year offers something for every type of traveler.
In this selection, we have considered destinations that are booming thanks to their popularity in warm seasons, special events or improvements in tourist infrastructure. We have also included lesser-known places that promise to surprise with their sun, sea and sand offerings. It is the perfect time to plan a trip that not only delights the senses, but also enriches the soul .
These cities stand out for their ability to offer unique summer experiences , whether through their crystal-clear beaches, vibrant festivals or dreamy coastal landscapes . Plus, many of them are implementing sustainability initiatives , making them ideal choices for conscious travelers looking to minimize their environmental impact while exploring the world .
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The 10 must-see cities to visit in 2025
1. Honolulu, Hawaii, United States 
Honolulu, Hawaii’s vibrant capital, is known not only for its paradisiacal beaches like Waikiki, but also for its rich culture and traditions. Surfing, considered an art form on the island, is one of the must-do activities for visitors, who can also enjoy trails like the Diamond Head Trail, which offers panoramic views of the Pacific Ocean. In addition, the city boasts a unique blend of Polynesian, Japanese, and American influences that are reflected in its cuisine and cultural events. Honolulu also has a significant historical legacy as a tourist destination since the early 20th century, attracting travelers with its mix of modernity and tradition.
Known for its dreamy beaches and laid-back lifestyle, Honolulu is the perfect destination for a summer vacation. Waikiki Beach, with its crystal-clear waters and lively nightlife, is a must-see. Additionally, visitors can explore the iconic Diamond Head Crater and immerse themselves in the rich Hawaiian culture.
2. Barcelona, Spain 
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Barcelona perfectly combines urban life with a beach experience. Its beaches, such as Barceloneta, are ideal for relaxing in the sun, while its modernist architecture and vibrant food scene offer countless options to explore. Plus, in summer the city comes alive with open-air festivals and cultural events. Among the highlights is the Festival de Sant Joan, which marks the summer solstice with bonfires, fireworks and celebrations on the beach. You can also explore nearby attractions such as the Garraf Park or the charming coastal towns of Sitges and Castelldefels, which offer a combination of natural scenery and water activities.
Barcelona perfectly combines urban life with a beach experience. Its beaches, such as Barceloneta, are ideal for relaxing in the sun, while its modernist architecture and vibrant food scene offer countless options to explore. Plus, in summer the city comes alive with open-air festivals and cultural events.
3. Rio de Janeiro, Brazil 
Rio de Janeiro is synonymous with eternal summer. Its famous Copacabana and Ipanema beaches are the perfect place to enjoy the sun and live music. Additionally, Christ the Redeemer and Sugarloaf Mountain offer spectacular views of the city and the ocean. During the summer, the city comes alive with cultural events such as the Winter Festival in Parque Lage, which combines art, music and gastronomy in an unforgettable setting. It is also home to international sporting competitions in its modern facilities. For food lovers, exploring local markets such as Feira de São Cristóvão is a unique opportunity to taste specialties such as feijoada and shrimp cakes.
4. Mykonos, Greece 
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Mykonos, with its iconic white houses and turquoise waters, is a dream destination for summer lovers. The island offers heavenly beaches such as Paradise Beach, famous for its vibrant parties, and Super Paradise Beach, which combines luxury and fun in a spectacular setting. Among water activities, visitors can enjoy yachting, windsurfing and snorkelling in its crystal-clear waters. For food lovers, Mykonos boasts renowned restaurants such as Nammos and Scorpios, where Mediterranean cuisine blends with an exclusive atmosphere. In addition, bars and clubs such as Cavo Paradiso offer unforgettable nights, making this island a complete and unique summer destination.
5. Nice, France 
Located on the French Riviera, Nice combines glamour with coastal serenity. Its seafront promenade, the Promenade des Anglais, is perfect for enjoying a sunny day, while summer sees cultural events such as open-air concerts in the Jardin Albert I and art exhibitions at the Matisse Museum. Plus, summer festivals such as the famous Nice Jazz Festival attract musicians and fans from around the world. In 2025, the city plans to improve its water sports facilities, offering even more reasons to visit. Don’t forget to explore the local gastronomy at markets such as the Cours Saleya, where traditional flavours from the south of France will captivate you.
6. Cancun, Mexico
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Cancun remains a summer classic thanks to its white sand beaches and turquoise blue waters. It also offers a wide range of activities such as snorkeling, diving and catamaran tours in the Caribbean. Travelers can also enjoy excursions to nearby sites such as Isla Mujeres, famous for its reefs, or Cozumel, ideal for diving in its crystal-clear waters. In 2025, new themed events and festivals are scheduled to attract travelers from all over the world. Exclusive summer activities include regattas and sport fishing tournaments. In terms of gastronomy, restaurants such as Porfirio's and Harry's offer a luxury culinary experience with ocean views, while beach bars such as Mandala Beach guarantee entertainment and delicious cocktails.
7. Sydney, Australia
Sydney in 2025 remains a destination full of wonders for those seeking a mix of nature and modernity. The iconic Sydney Opera House, with its unique architecture, stands as a symbol of the city, while the harbour offers stunning views that can be enjoyed through boat trips. Beaches such as Bondi and Manly invite you to relax in their crystal-clear waters or go surfing. The Royal Botanic Gardens are a haven of peace in the middle of the city, and the Sydney Tower offers unparalleled panoramic views. Parks, lively avenues and cultural diversity make Sydney vibrant and welcoming. In addition, its cuisine, with influences from all over the world, is a gastronomic attraction for travellers. Sydney undoubtedly combines the best of nature and urbanisation.
8. Cartagena, Colombia
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Cartagena, with its imposing colonial architecture, stands out as a must-see destination in 2025. Its colorful, cobbled streets full of history invite travelers to lose themselves in a journey back in time. The walled city, with its flower-adorned balconies, is a true visual treasure, while the Caribbean Sea, with its turquoise waters and white sand beaches, offers a perfect refuge. Sunsets from the Castillo de San Felipe or the Café del Mar are simply magical. In addition, its vibrant culture, rich in festivals, gastronomy and music, makes it a destination full of life and excitement. Cartagena also stands out for its hospitality, making every visitor feel at home. Without a doubt, this city remains a fascinating place to explore and enjoy.
9. Bali, Indonesia 
Bali is known for its idyllic beaches and tranquil atmosphere. From surfing lessons to yoga retreats, this island offers something for everyone. Its beaches, such as Kuta and Nusa Dua, are ideal for lounging and enjoying the sun. Mountains and Hindu temples, such as the famous Tanah Lot, blend seamlessly into the landscape, offering spectacular views. The jungle of Ubud is a sanctuary of peace, with its terraced rice fields and lush vegetation. Bali is also known for its vibrant culture, with traditional dances and crafts reflecting the island’s rich heritage. Luxury spas and resorts on the island provide world-class relaxing experiences. Visiting Bali in 2025 is to immerse yourself in a world full of serenity, culture and stunning landscapes and with new eco-resort projects and sustainable activities set to attract environmentally conscious travelers.
10. Amalfi, Italy 
The Amalfi Coast remains a dream destination in Italy, with its stunning scenery and charming architecture. The colorful houses overlooking the cliff, surrounded by green hills, create an unmistakable view that takes your breath away. The Tyrrhenian Sea, with its bright blue color, blends harmoniously with the picturesque coastal villages, creating an idyllic atmosphere. The Amalfi Cathedral, with its majestic façade, is just one of the many historical treasures that the town offers. The narrow alleys lined with craft shops and fresh seafood restaurants invite to be explored. In addition, the panoramic views from the viewing points are perfect for enjoying the serenity of the place. Amalfi, with its mix of history, culture and nature, remains a must-see destination in 2025.
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