Oh, Nha Trang is such a beautiful coastal city in Vietnam, perfect for a 10-day getaway! Let's plan an exciting itinerary for you:

Day 1: Arrival in Nha Trang

• Check into your hotel and relax after your journey
• Take a leisurely stroll along Tran Phu Beach and enjoy the sunset
• Try some delicious local seafood for dinner at a beachfront restaurant

Day 2: Island Hopping Adventure

• Join a boat tour to explore the nearby islands like Hon Mun and Hon Tam
• Snorkel in crystal-clear waters and relax on pristine beaches
• Enjoy a seafood lunch on one of the islands

Day 3: Explore Nha Trang City

• Visit the Po Nagar Cham Towers, a historical site with stunning architecture
• Explore the bustling Dam Market for local souvenirs and street food
• Relax at Thap Ba Hot Springs for a rejuvenating mud bath experience

Day 4: Water Activities

• Try water sports like jet skiing, parasailing, or scuba diving at Nha Trang Bay
• Relax on Bai Dai Beach, known for its white sand and clear waters
• Enjoy a seafood dinner at a beachfront restaurant

Day 5: Cultural Experience

• Visit the Long Son Pagoda and admire the giant white Buddha statue
• Explore the Nha Trang National Oceanographic Museum to learn about marine life
• Enjoy a traditional Vietnamese dinner at a local restaurant

Day 6: Relaxation Day

• Spend the day at Vinpearl Land, a popular amusement park on an island
• Relax on Vinpearl Beach and enjoy the water park and entertainment options
• Have dinner at one of the island's restaurants before heading back to the mainland

Day 7: Cooking Class

• Join a cooking class to learn how to make traditional Vietnamese dishes
• Visit a local market to buy fresh ingredients with your chef
• Enjoy the fruits of your labor during a delicious lunch

Day 8: Countryside Tour

• Take a guided tour to the countryside surrounding Nha Trang
• Visit local villages, rice paddies, and waterfalls
• Enjoy a traditional Vietnamese lunch with a local family

Day 9: Spa Day

• Treat yourself to a relaxing spa day at one of Nha Trang's luxury spas
• Enjoy massages, facials, and other wellness treatments
• End the day with a sunset cocktail at a rooftop bar

Day 10: Departure

• Enjoy a leisurely breakfast at your hotel
• Take a final stroll along the beach and soak in the last views of Nha Trang
• Check out of your hotel and head to the airport for your departure

I hope this itinerary gives you a good mix of relaxation, adventure, and cultural experiences during your 10 days in Nha Trang! Let me know if you need any more recommendations or adjustments. Safe travels!