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How to Say "ocean" in Spanish

The most common Spanish word for “ocean” is “mar” — use 'mar' when referring to the sea in general, or when the distinction between 'sea' and 'ocean' is not important in casual conversation..

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mar

/mar//ˈmaɾ/

nounA1general
Use 'mar' when referring to the sea in general, or when the distinction between 'sea' and 'ocean' is not important in casual conversation.
A simple, expansive view of deep blue ocean water meeting the clear blue sky at the horizon line.

Examples

Vamos a la playa este fin de semana para nadar en el mar.

We're going to the beach this weekend to swim in the sea.

Me encanta nadar en el mar.

I love swimming in the sea.

El barco navega por el mar Caribe.

The boat is sailing on the Caribbean Sea.

Desde la ventana del hotel, veíamos el mar.

From the hotel window, we could see the sea.

Is it 'el mar' or 'la mar'?

Most of the time, you'll use 'el mar' (masculine). However, people who work with the sea, like sailors, and poets often say 'la mar' (feminine). 'La mar' sounds more personal and respectful. For everyday use, stick with 'el mar'.

océano

nounA1general
Use 'océano' when specifically referring to one of the Earth's five major oceans, like the Pacific or Atlantic.

Examples

El océano Atlántico es una importante ruta comercial.

The Atlantic Ocean is an important trade route.

Confusing 'Mar' and 'Océano'

Learners often use 'océano' for any large body of saltwater, but 'mar' is far more common for general sea/ocean references. Reserve 'océano' for the specific, named global oceans to sound more natural.

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