Portugal Bay (Karaitivu)
Portugal Bay, the lagoon wrapping the long Vella Island sandbar in Sri Lanka's Kalpitiya region, is a remote bucket-list flat-water spot reached by a boat ride from the main lagoon. The curving sandbank shelters a stretch of perfectly flat, chop-free water that funnels and accelerates the wind, making it a dream for freestyle, foiling and confident cruising. The reliable SW monsoon drives the summer season from around mid-May to October, delivering stable, predictable wind often above 20 knots; crucially it blows offshore toward open water and the national park behind, which is why this is an intermediate-to-advanced spot rather than a beginner zone. Launching is off open sand with loads of space, but the offshore direction means losing your kite leaves you drifting away from land, so a downwind boat support and self-rescue confidence are essential. It sees very few people, usually just guided groups, so plan a session that accounts for the isolation and offshore wind.