| Place Name | Lat. South | Long. West |
Argentino, Fort  [now, Bahía Blanca] § | 38° 43' 50" | 62° 14' 41" |
| Ariadne Island —south extreme of | 39° 15' 50" | 62° 00' 20" |
| Asunción Point | 38° 57' 30" | 60° 38' 00" |
| Black Point —cliff summit | 38° 39' 00" | 58° 47' 30" |
| Colorado Head —one mile north of the entrance | 39° 50' 30" | 62° 05' 30" |
| Colorado, Rio —mouth | 39° 51' 40" | 62° 04' 20" |
| Corrientes, Cape —eastern summit | 38° 05' 30" | 57° 29' 15" |
| Del Carmen, Fort | 40° 48' 15" | 62° 58' 06" |
| Gueguen, Rio | 38° 36' 00" | 58° 40' 00" |
| Hermeneg Point | 38° 22' 40" | 57° 51' 45" |
| Hermoso, Mount —summit | 38° 58' 50" | 61° 39' 45" |
| Indian Head (Union Bay) | 39° 57' 30" | 62° 07' 00" |
| Labyrinth Head —summit | 39° 26' 30" | 62° 02' 36" |
| Leading Hill —summit | 40° 56' 36" | 62° 49' 20" |
| Mar Chiquito —bar of | 37° 47' 30" | 57° 21' 45" |
| Medanos Chato —summit of | 36° 28' 00" | 56° 40' 15" |
| Medanos Point —south-east summit | 36° 59' 05" | 56° 40' 43" |
| Medanos Silla —summit of | 36° 37' 10" | 56° 40' 55" |
| Mogotes Point —south-east summit | 38° 10' 36" | 57° 30' 35" |
| Nakedness Point —southern summit | 38° 49' 40" | 59° 36' 55" |
| Negro, Rio —Main Point | 41° 2' 00" | 62° 45' 10" |
| Raza Point —summit over extreme | 40° 52' 10" | 62° 18' 15" |
| Rubia Point —summit of | 40° 36' 10" | 62° 08' 40" |
| San Andres Point —south-east high cliff | 38° 17' 20" | 57° 39' 05" |
| Snake Bank —south-east extreme of | 40° 27' 00" | 61° 54' 30" |
| Ventana, Mount —highest summit | 38° 11' 45" | 61° 56' 18" |
| Wells —Anchorstock Hill—(Point Johnson) | 38° 56' 55" | 61° 58' 30" |
| Zuraita Island —south extreme of | 39° 11' 00" | 61° 54' 20" |
§ Today, another Fort Argentino is located about 220 miles southwest of Bahía Blanca (Google Earth coordinates -41.107470,-65.172353).