D&D Notable Location - Coastal

A location that is known locally or further afield, as a landmark, place of history, magical danger or otherwise noteworthy.
Coastal encounters bring visions of sandy dunes, steep cliffs, pebble beaches and tidal caves. Maybe encounters take place in a ruined lighthouse, haunted shipwreck or abandoned nest.

tools for - dnd5e location quest coastal

terrain:

A mountain of purple stone stands in an expanse of mudflats. It is sacred to a power of strength and purple pebbles are scattered here.
A hamlet sits above a rocky beach, named after a hero who died here long ago. A rare seaweed grows in the numerous rockpools.
An enchanted bridge. It has a concentration of powerful druidic magic.
Ruins of Sergor's Island is an island. It is at the edge of a lake. It is protected by a druid.
Gemben's Wood is a foreboding shipwreck. is where a mithril mask was crafted.
Ruins of Batfoot is a shipwreck. It was the site of a notable battle - an empire lost to goblinoids and ghosts haunt the place.
Bronzefang Haven is a Chasm. It has a festival that happens every 2 days. It has a splendid view. has been moved from another plane.
A gigantic crab has an island on its back. It is home to lurid pulsating seaweed, peculiar objects and a humming mechanism.
A sacred garden. It is known to a character, who feels like they know the place.
Ark of the Gambler. A barge adorned with shells flies many flags. Watched by a powerful hag, games of chance are played nightly.