Nam Sai Beachis a small, pristine coastal stretch of approximately 600 meters, located within the strategic territory of the Naval Special Warfare Command (Royal Thai Navy SEALs). Due to strict area regulations and dedicated management, this beach has managed to impressively preserve its natural integrity. It has become a premier destination known for its cleanliness, exceptional order, and a peaceful atmosphere that far surpasses general public beaches in the East.

The most prominent feature is the extraordinary water quality, which is as clear as its name Nam Sai (Clear Water) suggests, allowing for a distinct view of the seabed even in deeper sections. This clarity blends beautifully with the creamy white sand that runs parallel to the groves of Sea Pine and large Indian Almond trees. These trees provide refreshing shade throughout the day, creating a cool and relaxing environment perfect for a "Slow Life" retreat focused on authentic nature.

A rare specialty of this location is its systematic eco-management. Being under naval supervision, the area is entirely free from noisy motorized watercraft such as jet skis or speedboats. This silence helps restore the ecosystem, allowing visitors to encounter shallow-water coral reefs and schools of small fish swimming near the shore a true reflection of the well-protected marine biodiversity.

During low tide, the beach expands significantly, revealing a fine, powdery texture that invites visitors to stroll or enjoy a picnic while listening to the rhythmic sound of the waves. Beyond its natural charm, safety standards are a key highlight. With naval officers closely monitoring the area at all times, tourists can feel secure and at ease while swimming or relaxing.

For photographers and lifestyle travelers, Nam Sai Beach serves as a perfect natural studio. The turquoise water against the white sand and lush greenery creates stunning memories in every frame. Furthermore, the facilities are well-organized, including clean restrooms, affordable welfare restaurants, and a limited daily visitor quota to control density and minimize environmental impact, ensuring a high quality and sustainable travel experience.

• By Private Car: Take Sukhumvit Road toward Sattahip, turn toward the Samae San Pier (Khao Ma Cho Pier), and follow the signs for the Naval Special Warfare Command.

• By Public Transport: Take a van to Kilo 10 in Sattahip, then take a blue songthaew toward the beach entrance.

• Accessing the Beach: Visitors must park at the designated reception point and use the official shuttle service to reach the beach (private vehicles are not allowed directly on the beach).

• Bringing your own beach mat and using Reef Safe sunscreen is highly recommended.

• Alcoholic beverages and barbeque are prohibited in the area, and all trash must be taken out of the designated area.

• It is recommended to arrive in the morning, before 9:00 AM, especially on weekends, as the visitor quota tends to fill up quickly.

Admission Fee:

• Thai Visitors: Adult 15 THB, Child 10 THB

• Foreign Visitors: Adult 100 THB, Child 50 THB

Opening Hours:

• General Daily Hours: 08:30 AM – 06:00 PM

• Special Note: The area may close temporarily for military missions. It is recommended to check official announcements before traveling.