Siren of the Sea tattoo - I like it because it is not cartoon-ish, like most I have seen.
Vintage ship temporary tattoo
Mermaids and tropical tattoos.(tattoo.pr)
A beautiful white wave tattoo. The waves can be seen in white ink and you can almost see the shape of the waves in great detail and looks perfect with the semi transparent ink.
Mermaid-I know it's a tattoo, but could be mural
This is a nice mermaid tattoo. It would also look great with some water or waves!
Sharks and mermaids - artist: Jen Tan
mermaid and sunflower tattoo - Google Search
Maybe around the neck. Either way, I Love it.
Sea turtles (superfamily Chelonioidea), sometimes called marine turtles are reptiles of the order of Testudines. Description from imgarcade.com. I searched for this on bing.com/images