Club Náutico Hacoaj is a Jewish sports club in Buenos Aires, Argentina.
It was founded under the name Club Náutico Israelita on December 24, 1935. The club is called Náutico (Nautical) to underline its rowing activities, as at that time it was the first club where Jews could practice that sport.
A year later, the name Club Náutico Hacoaj was adopted in honor of its namesake, Hakoah (in Vienna, Austria), destroyed by the Nazis in 1938. Hacoaj started in a small rented place in Tigre, with a ramp, a few boats, tennis courts, basketball, bocce, soccer, a colonial-style main building, dormitories and a wooden dance floor.
It currently have 4 locations: