San Blas, situated in the south of Buenos Aires province, is internationally renowned as the "Fishermen's Paradise." This town boasts several islands of varying sizes, separated from the mainland by estuaries or sea inlets.

Everything in San Blas revolves around fishing. Visitors will find specialized shops selling hooks, fishing lines, fishing tackle, and bait. Fishing tours with guides, boat rentals, and restaurants serving freshly caught seafood are also readily available.

The main attraction in San Blas is the San Blas Bay, also known as "Fishermen's Paradise" or "Shark's Mecca." This calm bay with minimal waves creates ideal conditions for fishing, with numerous motorboats available for rent, tempting anglers to try their luck at sea.