Originally known as the Pink Flamingo Entrance, it accessed the northeast sector of the complex. Today, the gateway is referred to as the Avenue 4 Entrance.
Photo from Wikipedia / "Other Person"

The White Seahorse Entrance, which, back in the day, went into the Cabana Court at the south end of the mall. Today, this doorway is designated as the Avenue 2 / Colonnade Outlets Entrance.
Photo from http://www.arquitectonica.com (Arquitectonica Architects)