Costa Rica Anchorages
 

Geoff that did an earlier post...
I am assuming you meant the Pacific side of Costa Rica.
You can anchor off Quepos, Puntaranus.
There's a good size marina at Playa Flamingo, called
Playa Flamingo Marina. e-mail them.
Pura Vida,
G&G
P.S. Going to Costa Rica Sunday, again.