Spanish vocabulary · Beginner
Sea in Spanish: Mar and Océano
Mar · noun (masculine, sometimes feminine) · mahr
Sea in Spanish is mar (mahr), usually masculine: el mar. In poetry, nautical speech, and some fixed expressions, it becomes feminine: la mar. An ocean is un océano. Mariscos (seafood) and marinero (sailor) both derive from mar.
Mar is mahr, one syllable. Océano is oh-SEH-ah-noh.
El mar estaba tranquilo y el agua era cristalina.
The sea was calm and the water was crystal clear.
Sea in Spanish: Quick Reference
Below are the most common Spanish words for sea, with pronunciation and regional usage notes.
| Spanish | English | Pronunciation | Region / Register |
|---|---|---|---|
| mar | sea | mahr | Default, widely understood |
| océano | sea | ocean (larger body) | |
| la mar | sea | poetic/nautical feminine form |
How Native Speakers Use Mar
Real example sentences across three contexts you'll actually run into.
At the beach
Vamos a nadar en el mar antes de que anochezca.
Let's swim in the sea before it gets dark.
El mar is the standard masculine usage.
Poetic feminine
La mar estaba brava esa noche.
The sea was rough that night.
La mar is used in literary or poetic contexts and by sailors.
Seafood
Los mariscos frescos del mar son deliciosos.
Fresh seafood from the sea is delicious.
Mariscos (seafood) comes from mar.
Avoid These Mistakes When Using Mar
Always using la mar
Incorrect: Fuimos a la mar. (in everyday speech)
Correct: Fuimos al mar.
In everyday speech, mar is masculine: al mar, el mar. La mar is reserved for poetic, literary, or nautical contexts.
Confusing mar and océano
Incorrect: El Mar Pacífico.
Correct: El Océano Pacífico.
The Pacific, Atlantic, etc. are oceans (océanos), not seas (mares). Mar is for smaller bodies: el Mar Mediterráneo, el Mar Caribe.
Lock in Sea Vocabulary with the Parrot Method
Why word lists alone don't stick
Memorizing a translation feels productive, but most learners forget 70% of what they studied within 48 hours. Vocabulary needs spaced repetition AND real-world exposure to transfer to long-term memory.
See Mar used by native speakers
Parrot's short-form videos feature native speakers using mar in real situations. Context-based exposure beats flashcards, you hear El mar estaba tranquilo y el agua era cristalina. while watching someone live the moment, connecting meaning, sound, and rhythm at once.
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Common Questions About Sea in Spanish
- How do you say sea in Spanish?
- Sea is mar (mahr), usually masculine. An ocean is océano. La mar is a poetic or nautical feminine variant.
- Is mar masculine or feminine?
- Usually masculine (el mar), but it can be feminine (la mar) in poetry, songs, and nautical language. Both are correct; masculine is the default.
- How do I say seaside in Spanish?
- Seaside is la orilla del mar (the edge of the sea) or el litoral (the coastline). Costa is the coast.