| name | El Castillo de San Martín |
| Note | Approximate location based on sat imagery and opentopo map |
| place type | Hamlets |
| source:id | 3056iii La Vigia - USGS OpenTopo map no E751X30563 (1965) |
| source:imagery | Bing and Maxar Sat Imagery as of 2022 in Josm |
| source:url | https://maps.lib.utexas.edu/maps/topo/nicaragua/ |