| Action of 23 November 1856 | |||||||
|---|---|---|---|---|---|---|---|
Part of the Filibuster War
 | |||||||
| |||||||
| Belligerents | |||||||
 Filibusters |
 Costa Rica | ||||||
| Commanders and leaders | |||||||
|
Lt. Callender I. Fayssoux |
Don Antonio Villarostra | ||||||
| Strength | |||||||
| 1 schooner, 28 men, 2 six pound carronades | 1 brig, 114 men, 4 nine pounders | ||||||
| Casualties and losses | |||||||
| 1 killed, 8 wounded | 1 brig, 74 killed | ||||||
The action of 23 November 1856 was a minor naval engagement during the Filibuster War between the Nicaraguan (Filibusters) schooner Granada and the Costa Rican brig Once de Abril, which took place off San Juan del Sur, Nicaragua.