The city of Puerto Madryn is characterized by its rich beaches and amazing natural reserves, and El Doradillo Beach is one of those distinctive reserves, it was declared a municipal reserve in 2001, as the area covers an area of more than 30 km, and as a result of its warm waters, large numbers of female whales have chosen this site To give birth and feed her children, making it one of the few places where whales can be seen near the shore, especially in the period between June and November.