Hunter's Keep

"A hump of dark rock swathed in mist, like a hundred other Unterzee islands. But here's a grand house, windows aglow. Lawns, impossibly green and lush in the false-star light. Raked gravel paths. You stand on the dock as the sea nudges the ship's sides. An unexpectedly warm breeze carries the faintest trace of lavender."

"A rambling country house, perched on cliff-tops of a half-drowned Unterzee island. The gardens are beautifully tended. Nobody talks about the strange light that shines from the coast at night."

"Who lives at Hunter's Keep? Some say a coven of witches. Some say a community of cats. Some say the island is haunted by the spirits of disgruntled vicars."

A pretty little house that hides secrets. Art from SS.

Hunter's Keep is the smallest island (or one of the smallest) in the Southern Archipelago. It is inhabited by three young ladies - musical Phoebe, extroverted Lucy (Lucina), and mature Cynthia - who live in a single cottage and each have their own sad past. Interestingly, all three of them are named after aspects of the mysterious goddess Hecate in Greek mythology; given what Hecate rules over, they may very well be witches...

Both Fallen Londoners and sailors of the Sunless Sea can visit and explore the secrets of the Keep.

Underneath the Keep, deep in the cellars, a tributary of the Writhing River (made of freaking DREAM-SNAKES, and whose source is in Parabola) flows. Weaker, since it obeys physics, but the Writhing River all the same.  Perhaps this is even the source of the well water here. Worrying.

Art from Fallen London.