The sea in Punta Cana is the quintessential Caribbean dream, characterized by calm, turquoise waters and a protective reef system. Because much of the coastline is shielded by a long offshore coral reef, the waves at the shore are typically very gentle, making it a high-value destination for swimmers and families with young children. The water temperature is consistently warm, averaging 26°C to 28°C year-round. However, the "Atlantic" influence can bring stronger currents and larger waves to the northern beaches like Macao Beach, which is a peer-recommended spot for surfing rather than relaxed floating. In 2026, a high-value environmental note for travelers is the presence of Sargassum seaweed, which can occasionally wash up on the white sands during the warmer months; resorts work diligently to clear this, but the clarity of the sea can vary slightly depending on seasonal currents. Overall, the "Bavaro Beach" stretch remains the high-value standard for those seeking crystal-clear, shallow water that looks exactly like a postcard.