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The Pilots Desk
Small airport

La Bonita Airport

ICAO MRNI🇨🇷 San Isidro
Coordinates
9.3898°N, 83.6779°W
Elevation
2,643 ft (806 m)
Type
Small airport
Region
CR-SJ
Time zone
Costa Rica(UTC-06:00)
Magnetic variation
3.1° W

Daylight today(Jul 15, 2026, local time)

Civil dawn
05:00
Sunrise
05:23
Sunset
18:00
Civil dusk
18:23

About 12h 37m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About La Bonita Airport

La Bonita Airport is a small airport in San Isidro, Costa Rica (ICAO MRNI). It sits at an elevation of 2,643 ft (806 m). It observes America/Costa Rica local time. The nearest airport is Cajuela/San Isidro Airport (MRCJ), about 0.6 nm to the w.

Summary generated from this airport’s structured data — reference only.

Live weather

MRNI

Live departures & arrivals

Loading live flights…

Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

Loading current routes…

Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (0)

No runway data recorded for this airport.

Airspace in this area(4)

NameClassTypeFloorCeiling
CTA SECTOR WClass CCTA8500 ft MSL19000 ft MSL
CTA SECTOR EClass CCTA11500 ft MSL19000 ft MSL
CTA SECTOR WClass GCTA3000 ft MSL8500 ft MSL
CTA SECTOR EClass GCTA3000 ft MSL11500 ft MSL

Approximate bounding-box match from OpenAIP · all Costa Rica airspace. Reference only — consult official charts for exact boundaries and status.

Nearby airports

Great-circle distance and true bearing from La Bonita Airport.

Live ATC audio Live tracking (FR24) Open in Maps
🇨🇷 More airports in Costa Rica📘 Flying in Costa Rica: a pilot's guide

Frequently asked questions

What is the ICAO code for La Bonita Airport?

The ICAO code for La Bonita Airport is MRNI.

Where is La Bonita Airport located?

La Bonita Airport is small airport located in San Isidro, Costa Rica, at an elevation of 2,643 ft (806 m).

What time zone is La Bonita Airport in?

La Bonita Airport is in the America/Costa Rica time zone (UTC-06:00).

What is the magnetic variation at La Bonita Airport?

The magnetic variation (declination) at La Bonita Airport is approximately 3.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near La Bonita Airport?

The nearest airport to La Bonita Airport is Cajuela/San Isidro Airport (MRCJ), about 0.6 nm to the w, followed by San Isidro del General Airport and Altomonte Airport.

Is the information on this page suitable for flight planning?

No. La Bonita Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.