Absolutely—swimming is one of the primary reasons people visit Split! The Adriatic Sea in Croatia is world-renowned for its clarity, saltiness, and beautiful turquoise hue. Within the city limits of Split, Bacvice Beach is the most famous; it is a sandy beach (rare for Croatia) where locals play "picigin," a traditional ball game in the shallow water. For cleaner, more pebble-filled shores, you can head to the base of Marjan Hill, where you'll find beaches like Kasjuni and Bene, which offer pine-shaded spots and crystal-clear water perfect for snorkeling. The swimming season typically runs from June to September, with water temperatures reaching a comfortable 24-25°C (75-77°F). One thing to keep in mind is that many Croatian beaches are rocky or pebbly rather than sandy, so "sea shoes" (water shoes) are highly recommended to protect your feet from sharp rocks and the occasional sea urchin. Additionally, the water gets deep very quickly in many areas, which contributes to its incredible clarity but means you should be a confident swimmer if you venture far from the shore.