diff --git a/README.rst b/README.rst
index c5404bb1..0ed664ea 100644
--- a/README.rst
+++ b/README.rst
@@ -88,6 +88,7 @@ Besides the numerical argument, there are two main optional arguments, ``to:`` a
 * ``en_NG`` (English - Nigeria)
 * ``es`` (Spanish)
 * ``es_CO`` (Spanish - Colombia)
+* ``es_CR`` (Spanish - Costa Rica)
 * ``es_VE`` (Spanish - Venezuela)
 * ``es_GT`` (Spanish - Guatemala)
 * ``eu`` (EURO)
diff --git a/num2words/__init__.py b/num2words/__init__.py
index 789af300..c413224c 100644
--- a/num2words/__init__.py
+++ b/num2words/__init__.py
@@ -19,10 +19,10 @@
 
 from . import (lang_AM, lang_AR, lang_AZ, lang_BY, lang_CZ, lang_DE, lang_DK,
                lang_EN, lang_EN_IN, lang_EN_NG, lang_EO, lang_ES, lang_ES_CO,
-               lang_ES_GT, lang_ES_NI, lang_ES_VE, lang_FA, lang_FI, lang_FR,
-               lang_FR_BE, lang_FR_CH, lang_FR_DZ, lang_HE, lang_HU, lang_ID,
-               lang_IS, lang_IT, lang_JA, lang_KN, lang_KO, lang_KZ, lang_LT,
-               lang_LV, lang_NL, lang_NO, lang_PL, lang_PT, lang_PT_BR,
+               lang_ES_CR, lang_ES_GT, lang_ES_NI, lang_ES_VE, lang_FA, lang_FI,
+               lang_FR, lang_FR_BE, lang_FR_CH, lang_FR_DZ, lang_HE, lang_HU,
+               lang_ID,lang_IS, lang_IT, lang_JA, lang_KN, lang_KO, lang_KZ,
+               lang_LT, lang_LV, lang_NL, lang_NO, lang_PL, lang_PT, lang_PT_BR,
                lang_RO, lang_RU, lang_SK, lang_SL, lang_SR, lang_SV, lang_TE,
                lang_TG, lang_TH, lang_TR, lang_UK, lang_VI)
 
@@ -45,6 +45,7 @@
     'eo': lang_EO.Num2Word_EO(),
     'es': lang_ES.Num2Word_ES(),
     'es_CO': lang_ES_CO.Num2Word_ES_CO(),
+    'es_CR': lang_ES_CR.Num2Word_ES_CR(),
     'es_GT': lang_ES_GT.Num2Word_ES_GT(),
     'es_NI': lang_ES_NI.Num2Word_ES_NI(),
     'es_VE': lang_ES_VE.Num2Word_ES_VE(),
diff --git a/num2words/lang_ES_CR.py b/num2words/lang_ES_CR.py
new file mode 100644
index 00000000..ee1d4440
--- /dev/null
+++ b/num2words/lang_ES_CR.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+# Copyright (c) 2024, Randall Castro.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import print_function, unicode_literals
+
+from .lang_ES import Num2Word_ES
+
+
+class Num2Word_ES_CR(Num2Word_ES):
+
+    def to_currency(self, val, longval=True, old=False):
+        result = self.to_splitnum(val, hightxt="colón/es", lowtxt="céntimo/s",
+                                  divisor=1, jointxt="y", longval=longval)
+        # Handle exception, in spanish is "un euro" and not "uno euro"
+        return result.replace("uno", "un")
diff --git a/tests/test_es_cr.py b/tests/test_es_cr.py
new file mode 100644
index 00000000..a6a451b8
--- /dev/null
+++ b/tests/test_es_cr.py
@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+# Copyright (c) 2024, Randall Castro.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import unicode_literals
+
+from num2words import num2words
+
+from . import test_es
+
+TEST_CASES_TO_CURRENCY = (
+    (1, 'un colón'),
+    (2, 'dos colónes'),
+    (8, 'ocho colónes'),
+    (12, 'doce colónes'),
+    (21, 'veintiun colónes'),
+    (81.25, 'ochenta y un colónes y veinticinco céntimos'),
+    (100, 'cien colónes'),
+)
+
+
+class Num2WordsESCOTest(test_es.Num2WordsESTest):
+
+    def test_number(self):
+        for test in test_es.TEST_CASES_CARDINAL:
+            self.assertEqual(num2words(test[0], lang='es_CR'), test[1])
+
+    def test_ordinal(self):
+        for test in test_es.TEST_CASES_ORDINAL:
+            self.assertEqual(
+                num2words(test[0], lang='es_CR', ordinal=True),
+                test[1]
+            )
+
+    def test_ordinal_num(self):
+        for test in test_es.TEST_CASES_ORDINAL_NUM:
+            self.assertEqual(
+                num2words(test[0], lang='es', to='ordinal_num'),
+                test[1]
+            )
+
+    def test_currency(self):
+        for test in TEST_CASES_TO_CURRENCY:
+            self.assertEqual(
+                num2words(test[0], lang='es_CR', to='currency'),
+                test[1]
+            )