After doing a dark elf farming village and a wood elf forest treehouse village, how could I resist revisiting my sea elf outpost and using it as inspiration for a sea elf village?

This is Eilân Danaäd, a harbor and village in a rocky reef area north of an island off the coast of Dóriant. The village includes both dry ground structures on the harbor side as well as below-water residences on the other side. The sea elves created the harbor as an opportunity to trade with sailors from the Dóriant mainland, as well as sailors traveling to Dóriant. The elves sell or trade deep sea fish and marine vegetation that would be difficult or impossible for surface-dwellers to get to. They also provide ship repair services for ships damaged at sea, and help sailors navigate through the rocky reefs.

The harbor consists of a horse-shoe shaped tiered great wall, with a great tower in the center and two somewhat shorter outer towers. Each tower has a landing pad on top to accommodate aerial visitors who ride pegasi, griffons, or other flying mounts.

The Great Tower in the center extends all the way down to the sea bed. It contains the villages government, and has plenty of space both below and above the surface of the water for the sea elves to hunker down during the strongest storms. (The sea elves wouldn't drown in the storms, but they could be blown miles out to sea.)

The harbor includes an inn for sailors eager for a bit of dry land and a bed that doesn't rock. It also includes a tavern, where sea elves can imbibe with visiting sailors. (Drinking alcohol -- or any other liquids -- isn't possible below the waves, though in their marine environment, the sea elves do imbibe with hallucinogenic fungi, fermented sea cucumbers, and other intoxicants.)

There is no natural source of fresh water at the harbor, so the elves have created several cisterns to capture rainwater. Sprinkles of rain occur nearly daily, and storms (usually mild) occur frequently throughout the year.

Both the towers and the wall are in two tiers, with the lower tier rising about 50 feet above sea level and the upper tier another 30 feet above that. The wall provides protection for the above-ground part of the village for all but the strongest of storms.

Below the waves, most of the village residents live in private homes topped by either a hexagonal or octagonal turret. Each residence is either one, two, or three stories high, not including the turret. (Note the shadows of different lengths.) The entrance to each residence is through a doorway at the turrets. There's no need to swim all the way down to the seabed to disturb the coral gardens surrounding each residence, as the entrances are at the top.

The one-story residences are basically studio cottages, with sleeping and living spaces all at one level. The taller residences will have a common area off of the turret's entrance, with bedrooms in the levels below.

None of the residences have cooking facilities. Dining at home requires food that can be eaten raw, or previously-cooked food that can be served cold. Instead, cooking is done at common cooking spaces (#3), where residents bring food on long skewers to cook over geothermal sea vents. The cooked food can then be brought back home, or can be brought to one of the dining commons (#4) for a picnic.

The sea elves do have a few marine agricultural gardens. Each of these has a pillar in the middle, where gardeners can activate an enchantment that helps keep pests away. The enchantment creates the illusion of a shark swimming around the area. The illusory shark radiates a low-grade Fear spell. Elves are immune to the spell, and it's low grade enough that most intelligent creatures only experience a mild feeling of foreboding at best. But for fish and other low-intelligent sea creatures, the spell triggers a flight reflex, which helps the elves keep their crops from being nibbled away by marine pests and predators.

Farther away from the harbor, I created a few examples of the rocks and reefs. I tried a different approach to creating them. Instead of using polygons with a sharp bevel, I instead used several polygons with a "Shaded Polygon (Angled by Edge") effect, each with different angled slops. Let me know if you think I pulled it off.

Some sort of tentacled sea creature has taken up home near one of the reefs. The sea elves can help sailors navigate around it to avoid a Scylla v. Charybdis catastrophe.