Santa Maria island is between caleta Constitucion and caleta Errazuriz. Reefs extend a little over 0.5 mile SSW from the S side of the island and up to 0.3 mile from all other sides.
Caleta Errazuriz is S Santa Maria island. The channel between the reefs, which extend SSW from the island and those with extend about 0,3 NM N from the W entrance point of the cove, is about 0,3 NM wide and has depths over 27,4 m.
Caleta Constitucion is entered NE of isla Santa Maria. The entrance between the reefs, which extend N from the island and those which extend about 0.3 NM S from the N entrance point, is about 0.5 NM wide and has a least depth of 13.7m. A channel, about 180 m wide at its narrowest ...
The Punta Lagartos is in front of a bank (banco Lagartos) that lies at 0,5 NM from it. Islote Lagartos is at about the center of the bank. the islet is 4,9 to 5,8 m high. It is rock covered with white shells and can be recognized for 3 NM.Rocks extend some distance NW and S from ...
Punta Tetas is the SW extremity of Peninsula Moreno. The point is of moderate height, rocky,
Punta Tetas est l'extrémité SW de la péninsule Moreno. La pointe est modérèment haute, rocheuse et aride. 
