Skyway Costa Rica Airlines has begun commercial passenger flight operations utilizing a Let 4 Turbolet.
Flights from its SJO base to Puerto Jiménez and Drake Bay in Southern Costa Rica as well as Quepos, Arenal and LIR. It also connects Arenal to LIR and Quepos. Internationally, it also connects SJO to Bocas del Toro in Panama.

If your flying to SJO or LIR and want to check out Inter Costa Rica, this is a good option. Holds19 pax (Beech 1900D)

Aircraft Industries - L 410 UVP-E20 - Úvod

https://www.skywaycr.com/fleet