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HI!! This is may first post, so, be nice with me.
I've been looking for movies or short films that have a scene or that end with a female character who commits suicide at sea with the purpose of having a visual reference because I'm planning to make a short film using this trope as a graduation project. After a long search, i´ve found this two titles:
- Grand Isle, USA, 1992, Mary Lambert
- Fortunata, Italy, 2017, Sergio Castellitto
It should be noted that these two end up with their protagonists getting into the sea completely naked.
So, what other movies or short films that have this trope recommend me or know to increase my visual reference?
Believe me that any suggestion will be very useful for my work, and i hope i can make a quality product!!!

Diana Rigg is interrupted attempting this in On Her Majesty Secret Service

If you could post your ex-wife's photo, I'm sure someone can make a nice short video just for you.

That was a joke.

You could check out Casino Royale.

It's not a movie but a performance that may have video. Kate Bush the ninth wave. It may have visuals of a woman stranded at sea. Before the Dawn was the performance

The Awakening (1899) is probably the most iconic example of a woman drowning in the ocean. I haven't seen the adaptation you listed (Grand Isle) but that's the one I'd be inclined to go for first.

several episodes of Baywatch (if that counts)

In The Discovery (2017) a character unsuccessfully attempts a Virginia Woolf

In The Hours (2002) Virginia Woolf successfully attempts a Virginia Woolf