
The track was recognized as one of the best-performing songs of the year at the 1996 ASCAP Latin Awards. A writer for Music & Media referred to it as a "percussive single". Charlotte Aiken of The Oklahoman praised the song as "sassy", while the El Paso Times editor Maria Cortés Gonazlez complimented the track as one of the album's "infectiously dance tunes". The Miami Herald critic Howard Cohen called "Agua Dulce, Agua Salá" an "intoxicating samba" and felt it has "an infectious tropical flavor".

"Agua Dulce, Agua Salá" has been covered by Dominican Republic singer Alex Bueno on his studio album Me Equivoque (1996). A Portuguese-language version of the song was recorded by Iglesias under the title of "Água Doce, Água do Mar", which was included on his studio album Ao Meu Brasil (2000). Iglesias performed the song live on the Mexican variety show Siempre en Domingo in 1995. The music video for "Agua Dulce, Agua Salá" was filmed at the Hermitage of El Rocío in Huelva, Spain and features Venezuelan model Fabiola Martinez. The track is also accompanied by hand claps and "jubilant" background singers as well as percussions. Colombian vallenato musician Egidio Cuadrado, who is a member of Carlos Vives' band, plays the accordion for the song. Musically, "Agua Dulce, Agua Salá" is a rumba flamenca and describes the theme of life, to accept its bitterness and pleasure and to keep on dancing. The track was recorded in Miami during April 1995. The song was written by Estéfano, Donato Poveda, and Hal Batt while produced by Ramón Arcusa. The song was later included on Iglesias' compilation album My Life: The Greatest Hits (1998). To promote the album, "Agua Dulce, Agua Salá" was released as its lead single in 1995.

In 1995, Iglesias released La Carretera, his first Spanish-language album since Calor (1992). Iglesias also recorded it in Portuguese as " Água Doce, Água do Mar" for his studio album Ao Meu Brasil (2000).

A music video for the song was filmed in Spain and features Fabiola Martinez. Commercially, the song peaked at number three on the Hot Latin Songs chart and number one on the Latin Pop Airplay chart in the United States. It was a recipient of the ASCAP Latin Award in 1996. The song received positive reactions from music critics, mostly being found catchy by them. A rumba flamenca, the song deals with the theme of life. It was released as the lead single from the album in 1995. The song was written by Estéfano, Donato Poveda, and Hal Batt and produced by Ramón Arcusa. " Agua Dulce, Agua Salá" ("Sweet Water, Salt Water") is a song from Spanish singer Julio Iglesias's studio album La Carretera (1995).
