Cau Island, once known as Xom Ba Thiet, blends history and tranquility. With its underground waters, pristine white sands, and protective coconut groves, it offers a serene escape. Amidst its scenic beauty, Cau Island also holds echoes of resilience, having been a haven for revered revolutionaries like Former Prime Minister Pham Van Dong during the tumultuous years of 1930-1931.