| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4051  | Maíz de Boruca Maiz de Boruca,Maíz de Boruca | Costa Rica, Puntarenas Province Buenos Aires > Colinas | populated place | N 9° 1′ 21'' | W 83° 24′ 37'' |
| 4052 | Maicillal Maicillal | Costa Rica, Guanacaste Province Nandayure > Bejuco | populated place | N 9° 52′ 31'' | W 85° 18′ 28'' |
| 4053 | Magallanes Magallanes | Costa Rica, Alajuela Province San Ramón > Santiago | populated place | N 10° 4′ 3'' | W 84° 30′ 4'' |
| 4054 | Madrigal | Costa Rica, Puntarenas Province Golfito > Puerto Jiménez | populated place | N 8° 27′ 1'' | W 83° 31′ 4'' |
| 4055 | Madre de Dios | Costa Rica, Limón Province Siquirres > Pacuarito | populated place | N 10° 5′ 36'' | W 83° 24′ 3'' |
| 4056 | Maderal Maderal | Costa Rica, Alajuela Province San Mateo > San Mateo | populated place | N 9° 58′ 3'' | W 84° 30′ 40'' |
| 4057 | Macacona Macacona | Costa Rica, Puntarenas Province Esparza > Macacona | populated place population 840 | N 10° 0′ 9'' | W 84° 38′ 23'' |
| 4058 | Luisiana Luisiana | Costa Rica, Cartago Province Paraíso > Paraíso | populated place | N 9° 49′ 23'' | W 83° 50′ 48'' |
| 4059 | Luisa Luisa | Costa Rica, Alajuela Province Sarchí > Sarchí Norte | populated place | N 10° 7′ 8'' | W 84° 20′ 18'' |
| 4060 | Lourdes Lourdes | Costa Rica, Alajuela Province Naranjo > Cirrí Sur | populated place | N 10° 8′ 34'' | W 84° 22′ 18'' |
| 4061 | Lourdes | Costa Rica, Cartago Province Cartago > Aguacaliente o San Francisco | populated place | N 9° 49′ 37'' | W 83° 54′ 31'' |
| 4062 | Louisiana Louisiana | Costa Rica, Limón Province Siquirres > El Cairo | populated place | N 10° 7′ 58'' | W 83° 31′ 45'' |
| 4063 | Lotsinyak | Costa Rica, Limón Province Talamanca > Telire | populated place | N 9° 24′ 0'' | W 83° 14′ 0'' |
| 4064 | Yoses | Costa Rica, San José Montes de Oca > San Pedro | populated place | N 9° 55′ 50'' | W 84° 3′ 37'' |
4065  | Quebrada Rivera Quebrada Los Rivera,Quebrada Rivera,Quebrada de los Rivera,Quebrada del Murcielago,Quebrada del Murc... | Costa Rica, San José | stream | N 9° 57′ 35'' | W 84° 6′ 24'' |
| 4066 | Los Perdidos | Costa Rica, Guanacaste Province Nandayure | populated place | N 9° 49′ 0'' | W 85° 11′ 0'' |
| 4067 | Los Órganos | Costa Rica, Puntarenas Province Puntarenas > Paquera | populated place | N 9° 49′ 0'' | W 84° 54′ 0'' |
| 4068 | Los Cerros | Costa Rica, Guanacaste Province Nicoya > Mansión | populated place | N 10° 5′ 0'' | W 85° 23′ 0'' |
4069  | Islas Los Cedros | Costa Rica, Puntarenas Province | islands | N 9° 51′ 0'' | W 84° 53′ 0'' |
| 4070 | Londres Londres | Costa Rica, Puntarenas Province Quepos > Naranjito | populated place | N 9° 27′ 41'' | W 84° 3′ 59'' |
| 4071 | Lombardía | Costa Rica, Guanacaste Province Tilarán > Tilarán | populated place | N 10° 27′ 9'' | W 84° 57′ 22'' |
| 4072 | Loma Bonita | Costa Rica, Guanacaste Province Santa Cruz > Cartagena | populated place | N 10° 24′ 0'' | W 85° 39′ 0'' |
| 4073 | Loma Loma | Costa Rica, Puntarenas Province Parrita > Parrita | populated place | N 9° 32′ 32'' | W 84° 23′ 19'' |
| 4074 | Llano Hermoso Llano Hermoso | Costa Rica, San José Puriscal > Mercedes Sur | populated place | N 9° 49′ 37'' | W 84° 25′ 29'' |
| 4075 | Llano Grande Llano Grande | Costa Rica, San José Mora > Picagres | populated place | N 9° 53′ 27'' | W 84° 21′ 23'' |
| 4076 | Llano Brenes Llano Brenes | Costa Rica, Alajuela Province San Ramón > San Rafael | populated place | N 9° 59′ 41'' | W 84° 28′ 32'' |
| 4077 | Llano Bonito | Costa Rica, San José Mora > Colón | populated place | N 9° 54′ 0'' | W 84° 16′ 0'' |
| 4078 | Llano Bonito Llano Bonito | Costa Rica, San José Acosta > Cangrejal | populated place | N 9° 45′ 18'' | W 84° 12′ 16'' |
| 4079 | Llano Ángeles Llano Angeles,Llano Ángeles | Costa Rica, Cartago Province Cartago > Corralillo | populated place | N 9° 46′ 14'' | W 84° 1′ 58'' |
| 4080 | Liverpool Liverpool | Costa Rica, Limón Province Limón > Río Blanco | populated place | N 9° 59′ 34'' | W 83° 7′ 46'' |
| 4081 | Cabo Lionel | Costa Rica, Puntarenas Province Puntarenas > Isla Del Coco | cape | N 5° 31′ 15'' | W 87° 5′ 38'' |
| 4082 | Línea B Linea B,Línea B | Costa Rica, Limón Province Matina > Matina | populated place | N 10° 2′ 44'' | W 83° 18′ 42'' |
| 4083 | Lindavista Linda Vista,Lindavista | Costa Rica, San José Tibás > San Juan | section of populated place | N 9° 57′ 56'' | W 84° 4′ 47'' |
| 4084 | Linda | Costa Rica, Puntarenas Province Buenos Aires > Volcán | populated place | N 9° 14′ 39'' | W 83° 25′ 56'' |
| 4085 | Limoncito Limoncito | Costa Rica, Puntarenas Province Coto Brus > Limoncito | populated place | N 8° 49′ 48'' | W 83° 1′ 9'' |
| 4086 | Limonal Limonal | Costa Rica, Alajuela Province Orotina > Coyolar | populated place | N 9° 52′ 43'' | W 84° 33′ 46'' |
| 4087 | Limonal Limonal | Costa Rica, San José Aserrí > San Gabriel | populated place | N 9° 46′ 47'' | W 84° 7′ 8'' |
| 4088 | Bahía de Limón Bahia Limon,Bahia de Limon,Bahía Limón,Bahía de Limón,Limon Bay,Limón Bay | Costa Rica, Limón Province | bay | N 9° 59′ 0'' | W 83° 1′ 0'' |
| 4089 | Limón Limon,Limón | Costa Rica, San José Turrubares > San Pedro | populated place | N 9° 51′ 33'' | W 84° 25′ 56'' |
| 4090 | Límas Limas,Límas | Costa Rica, San José Acosta > Sabanillas | populated place | N 9° 44′ 48'' | W 84° 19′ 10'' |
| 4091 | Líbano Libano,Líbano | Costa Rica, Guanacaste Province Tilarán > Líbano | populated place | N 10° 25′ 2'' | W 84° 59′ 10'' |
| 4092 | Legua Legua | Costa Rica, Alajuela Province Zarcero > Brisas | populated place | N 10° 14′ 41'' | W 84° 23′ 14'' |
| 4093 | Legua Legua | Costa Rica, San José Aserrí > Legua | populated place | N 9° 44′ 6'' | W 84° 6′ 35'' |
| 4094 | La Vega | Costa Rica, Alajuela Province San Carlos > Florencia | populated place | N 10° 24′ 0'' | W 84° 27′ 0'' |
| 4095 | Uruca | Costa Rica, San José Santa Ana > Uruca | populated place | N 9° 56′ 0'' | W 84° 12′ 0'' |
| 4096 | Laurel Galán Laurel Galan,Laurel Galán | Costa Rica, Alajuela Province San Carlos > Cutris | populated place | N 10° 38′ 51'' | W 84° 25′ 51'' |
| 4097 | Laurel | Costa Rica, Alajuela Province San Carlos > Cutris | populated place | N 10° 39′ 0'' | W 84° 24′ 0'' |
| 4098 | Caño Las Trincheras Cano Las Trincheras,Caño Las Trincheras,Rio Poro,Rio Poru,Río Poró,Río Porú | Costa Rica, Alajuela Province | stream | N 10° 49′ 0'' | W 84° 45′ 0'' |
| 4099 | Pilas Blancas Las Pilas | Costa Rica, Guanacaste Province Nicoya > Nicoya | populated place | N 10° 2′ 0'' | W 85° 35′ 0'' |
| 4100 | Las Mesas | Costa Rica, Guanacaste Province Santa Cruz > Veintisiete de Abril | populated place | N 10° 14′ 0'' | W 85° 46′ 0'' |
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