1d66 Underwater Locations
11. Lair of an undersea dragon, a cave full of treasure and hot steam.
12. Kraken’s nest, built from shipwrecks and driftwood.
13. A wreck of an eerie, glowing ship that emits dangerous (magical?) radiation.
14. A dark sea floor vent that provides energy to large, eyeless creatures who have never felt the warmth of the sun.
15-16. A broad stretch of open ocean, home to a group of giant sharks.
21-22. An encampment of well armed merfolk who are wary of strangers.
23-24. The lair of a coven of sea dwelling witches, known to be dangerous but only if you cross them.
25-26. A deep ravine with treacherously fast currents.
31-36. A kelp forest, teeming with all kinds of sea life.
41-46. A brightly colored reef where many tiny fish and other creatures make their homes.
51-52. The underside of a pier, where merfolk occasionally meet with surface dwellers to make small trades.
53-54. A wide canyon with interesting rock formations and scenic views. An excitable merfolk park ranger runs a small visitor center near the edge, though visitors seem few and far between.
55-56. Stone ruins from an ancient city. The sea serpent that makes its home here is aloof, but not dangerous.
61-62. A kelp farm run by a family of friendly merfolk.
63. A bubble enclosing a tower, in which lives an eccentric but ultimately well-intentioned wizard.
64. A small city on the sea floor, populated mostly by sentient sea turtles.
65. A huge sunken chest, the size of a house. It’s full of oversized treasure that clearly once belonged to a Giant.
66. An inexplicable motel, with reasonable prices. Wet and dry rooms available, comfortable beds, free breakfast.













