When summer arrives, there is only one cure for the heat: packing your bags, leaving the hustle of the city behind, and heading straight for the ocean. Vietnam’s coastline is blessed with some of the most breathtaking islands in Southeast Asia. From untouched, rugged landscapes to luxurious beach resorts, here are the top 5 paradise islands you must visit this summer.

Phu Quoc Island

1. Phu Quoc (An Giang) - The Pearl Island

If your dream summer vacation involves sipping a cocktail under a palm tree while watching a legendary sunset, Phu Quoc is your ultimate destination.

• The Vibe: Luxurious, vibrant, and tropical.
• What to do: Relax on the powdery white sands of Sao Beach, explore the vibrant marine life around the An Thoi archipelago, and experience the world's longest over-sea cable car to Hon Thom.
• Don't miss: Visiting the bustling Phu Quoc Night Market to feast on fresh sea urchins, herring salad, and grilled squid.

2. Con Dao (Ho Chi Minh City) - The Untamed Oasis

Once a historic prison island, Con Dao has transformed into one of the most pristine and mysterious island paradises in the world. It is the perfect escape for travelers seeking peace, history, and raw natural beauty.

• The Vibe: Peaceful, soulful, and deeply connected to nature.
• What to do: Dive into the crystal-clear waters of Dam Trau Beach, hike through the lush Con Dao National Park, and pay your respects at the historic Con Dao Prison.
• Don't miss: If you visit between May and September, you might get the chance to witness green sea turtles nesting and releasing baby turtles back into the ocean at Bay Canh Islet.

Dam Trau Beach, Con Dao

3. Cat Ba (Hai Phong) - Where Mountains Meet the Ocean

Located right next to the world-famous Ha Long Bay, Cat Ba Island offers a spectacular dramatic landscape where towering limestone karsts rise directly from the emerald sea.

• The Vibe: Adventurous, majestic, and green.
• What to do: Kayak through the stunning and less-crowded Lan Ha Bay, rock climb on limestone cliffs, and trek through Cat Ba National Park to spot the endangered Golden-headed Langur.
• Don't miss: Watching the sunset from the Cannon Fort, which offers a panoramic, breathtaking view of the entire bay.

4. Ly Son (Quang Ngai) - The Kingdom of Garlic and Volcanoes

Formed by ancient volcanic eruptions millions of years ago, Ly Son is a hidden gem that feels like a stepping stone to another planet. It offers unique geological formations and a rich local culture.

• The Vibe: Rustic, unique, and authentic.
• What to do: Climb Thoi Loi Mountain (an extinct volcano crater) for a stunning view of the emerald sea contrasting against green garlic fields. Walk along the dramatic To Vo Gate, a natural stone arch created by volcanic lava.
• Don't miss: Taking a 10-minute boat ride to An Binh Islet (Little Island), where the water is so clear you can see the coral reefs from above.

Beach heaven Ly Son

5. Cu Lao Cham (Da Nang) - The UNESCO Biosphere Reserve

Note: Located just off the coast of Hoi An, Da Nang, Cu Lao Cham (Cham Islands) is a protected marine paradise. If you are staying in the Da Nang or Hoi An area, a summer day trip to Cu Lao Cham is an absolute must. Known for its strict eco-friendly policies (no plastic bags allowed!), this island preserves its marine ecosystem flawlessly.

• The Vibe: Refreshing, eco-conscious, and laid-back.
• What to do: Swim in the calm waters of Bai Ong or Bai Xep, go sea-walking to explore the coral reefs, and visit the ancient Cham Pa wells and pagodas.
• Don't miss: Enjoying local delicacies like "ốc vú nàng" (limpet seafood) and wild forest leaves tea.

Cham Island

Quick Summer Travel Tips:

• Best time to visit: May to August is the peak summer season with plenty of sunshine, ideal for boat tours and diving.
• Book in advance: Since summer is peak travel season for locals, make sure to book your flights, ferries, and accommodations at least a few weeks ahead.
• Pack sustainably: Help keep these islands beautiful by reducing your plastic usage during your trip!