Bosteri is a kitesurfing spot on the northern shore of Issyk-Kul Lake, Central Asia's largest alpine lake. The spot features a sandy beach with gentle shelving, backed by resort development and forested areas. The coastline faces northeast into the water body, making northwest winds ideal for side-shore conditions. Water conditions are generally flat to small chop due to the lake's protected nature and limited fetch. Infrastructure including resorts, boat traffic, and anchored vessels present navigation hazards. The spot suits beginners and intermediate riders due to manageable conditions and accessible entry points. However, extremely low wind reliability (0.0%) and modest average wind speeds (3.7 knots) make consistent sessions rare. Best conditions occur during spring and autumn months when wind patterns are more favorable. The shallow water near shore assists learners but requires attention to shallow zones extending from the beach. Kiter education and awareness of resort operations and other water users is essential for safe progression.