Koh Samui, an island in Thailand, offers a variety of activities and attractions that cater to different interests. One of the most popular beaches is Chaweng Beach, known for its vibrant atmosphere, where visitors can relax on the sand or partake in water sports. For a more tranquil experience, Lamai Beach provides a quieter option with beautiful scenery and fewer crowds.

The Big Buddha Temple, or Wat Phra Yai, is an iconic landmark that features a 12-meter tall golden Buddha statue. This site not only offers a glimpse into local spirituality but also provides panoramic views of the surrounding area. Nearby, visitors can explore Wat Plai Laem, known for its intricate sculptures and colorful designs, representing various deities in Thai Buddhism.

For those interested in nature, the Ang Thong National Marine Park is a must-visit destination. This archipelago consists of 42 islands and offers opportunities for kayaking, snorkeling, and hiking. The park's natural beauty is complemented by its diverse wildlife, making it a great spot for outdoor enthusiasts.

In terms of local culture, the Fisherman’s Village in Bophut is a charming area that features traditional wooden houses and a variety of shops and restaurants. The Friday night market is particularly popular, where visitors can sample local street food and browse handmade crafts.

For a unique experience, consider visiting the Secret Buddha Garden, a hidden gem located in the island's interior. This garden is filled with statues and sculptures set amidst lush greenery, providing a serene environment for contemplation and exploration.

Koh Samui also has a reputation for wellness and relaxation. Many visitors seek out spas and wellness centers that offer traditional Thai massages and holistic treatments. These experiences are often set in tranquil surroundings, contributing to a sense of peace and well-being.

Finally, the island’s nightlife, particularly in areas like Chaweng, offers a range of bars and clubs where visitors can unwind after a day of exploration. The vibrant nightlife scene provides options for those looking to socialize and enjoy music and entertainment.

Overall, Koh Samui presents a wide array of activities that allow visitors to engage with both its natural beauty and cultural richness.