The Blue of 18° North: A Panoramic Portrait of Sanya’s Five Bays
Along China’s vast coastline, if one were to seek an “irreplaceable” blue, it would undoubtedly be Sanya. The waters here transcend ordinary “blue.” Compared to other coastal regions on the mainland, its hue is more saturated, its texture more crystalline. On clear days, the sea performs a visual magic show of light and shadow: from the crystal-clear “glass sea” near the shore, it gradually deepens into the profound azure of the open ocean. This is not only nature’s most splendid palette but also a spectrum of five distinct “blue personalities.”
Yalong Bay: Crystal-Clear “Glass Sea”
For a “filter-free” ocean masterpiece, Yalong Bay is the premier choice. Dubbed “China’s Premier Bay,” it stands as Sanya’s most renowned seaside destination. Its sand is as fine as powder, while the sea glistens like a giant sapphire. Onshore, lush forests blend seamlessly with the sea, weaving a tapestry of tropical verdure. By day, it’s a sunbathing paradise where sunlight pours unreservedly, offering a vacation to completely unwind. As night falls, it transforms into a romantic stage. Neon lights twinkle like stars, and amid the gentle hum of songs, the air carries a romantic essence.


The sea at Haitang Bay exudes a wild, profound sophistication. Its astonishingly clear waters offer visibility down to 27 meters. This exceptional transparency transforms the bay into an ideal stage for divers exploring the ocean’s secrets. Whether diving into the azure depths to dance among coral reefs or gazing at the undisturbed deep blue from the infinity pools of luxurious beachfront hotels, Haitang Bay offers the ultimate experience of tranquility and profound beauty.

Dadonghai: Where the Day Begins in Gold
Dadonghai is more than a shade of blue—it glows with gold. As one of Sanya’s most energetic bays, it’s famed for sunrise moments that feel almost made for this place. The sun rises unhurriedly over the water, casting warm light across the sea like a delicate net, scattering golden reflections that shimmer with life.
In the early morning, jogging along the shoreline into the first light, with waves setting the rhythm, feels like a natural reset for both body and mind. Here, the ocean isn’t just something to admire—it’s a source of momentum, fueling the start of a vibrant day. This is Sanya at its most alive.

Sanya Bay: Wrapped in the Soft Calm of Twilight Purple
Sanya Bay feels like a quiet curator of sunsets. With its gentle sea breeze and graceful shoreline, it carries a rare ability to ease the mind. Unlike the dramatic waves found elsewhere, the sea here stays calm in the distance, only brushing the shore with soft ripples that melt into fine sand.
Evening is when Sanya Bay truly comes alive. As the sky slowly deepens into shades of dusk, the ocean sheds its daytime mystery, revealing a layered sense of calm and warmth that settles around you. It’s an intimate moment where light and time move together—less a view to watch, and more a feeling to sink into.

Yazhou Bay: A Cultural Blue Passed Through Time
The sea at Yazhou Bay carries the warmth of history within its flow. This is a place where cultural legacy lives on—quietly yet powerfully—layered with a visual beauty that feels almost timeless. On clear days, the water reveals its most captivating spectrum: crystal-clear hues near the shore gradually deepening into rich, endless blue toward the horizon.
Each glance is a visual pleasure. As you take in the glass-like clarity of the sea, it’s easy to drift into thoughts of centuries past, where waves once bore witness to stories, journeys, and traditions that still echo across the bay today.

from the golden dawns of Dadonghai to the gentle twilight of Sanya Bay, and onward to the historical echoes of Yazhou Bay.
Five distinct shades of blue, each with its own character, come together to shape a coastline found nowhere else in the world.
Here, the sea is not bound by seasons.
Whenever you arrive, Sanya’s ocean is already at its most captivating—poised, luminous, and waiting to welcome you.