Derya is a unisex name in its native Turkey, though even there it is far more popular for women than for men. It is related to the Persian name Daria, which also means sea.

This Indian name would make the perfect choice for those looking for a strong water-based name. A variation which may seem more immediately masculine to the English-speaking ear is Varun. The feminine version is Varuni, who was Varuna's consort.

The Spanish and Portuguese word for "sea" is a Top 100 name in Spain. In America, it's sometimes used as a nickname for names like Martina and Marina, but it could also plausibly stand on its own.

This name of the mythological mother of Achilles might suffer from English speakers making the rhyming association to the word fetus. The traditional Greek pronunciation might alleviate that problem.

This sprightly Irish mythology name would make an attention-grabbing choice.

A bold and energetic Hawaiian name which blends two fashionable favorites: Kai and Koa.

The name of several early saints, including one, Pelagia the Penitent, a beautiful and licentious dancing girl who repented, then, disguised as a man, spent the rest of her life living alone in a cave on the Mount of Olives. Because of her early vocation, she is the patron saint of actresses.

Wave made, well, waves when it was revealed to be the name of Cardi B and Offset's son. Evocative of crashing waves at the beach, large surfing barrels, and tumultuous and stormy seas, Wave is a name with a lot of personalities.

Gwenora teeters on the line between unique gem and modern invention. But it's not a smoosh name fashioned from Gwen and Nora but an old Cornish form of Guinevere, like its much more famous sister Jennifer.

Gigi Hadid and Zayn Malik notably chose this name for their daughter in 2020, as a variation of Gigi's grandmother's name, Khairiah. In 2021, the name caught on for boys — Khai was a new debut on the Top 1000 and one of the fastest-rising names that year.

Variant of Marianne or Maryann

Is there anything more Australian than the beach and surfing? Tarni is the Kaurna word for wave/surf, and is sometimes used as a girls name in Australia. Other spellings that are sometimes seen include Tahnee and Tarney, but we prefer the more usual spelling.

An undiscovered gem with clunky, buttoned-up appeal and a literary feel thanks to poet Delmore Schwartz.

Pretty in a polka-dancing way.

An unusual place name with a sea-inspired meaning, Embrun is a commune in the southeast of France, as well as a town in Ontario, Canada. Sometimes known as the "Nice of the Alpes", Embrun could get its name from an Occitan and French word meaning "seaspray".

The name of the resort city on Spain's Costa del Sol is pronounced mar-BAY-a, setting it apart from the bella-name competition -- though many English speakers won't realize that. And it probably doesn't matter unless you pointedly want to reference the place via your daughter's name. Marbella, with the Ls pronounced, is a pretty choice given to about 100 baby girls each year.

Looking to honor Grandma Mary (or Maria) with something original? This Russian short form bears an unfortunate resemblance to the English word "mash", but if you can look past that, Masha has possibilities.

Murielle emerged as a distinctively French elaboration, adding the feminine '-elle' suffix to create a more melodious version of the classic name. Though less common in English-speaking countries, Murielle has maintained steady popularity in France and French-speaking regions. The name carries an air of sophistication and Old World charm.

An offbeat way to get to Gwen.

Pelagios is one of the more outre of the sea-related names. But Pel could work as a short form -- or Gus.