Type: Underground Port City
Region: Undermountain / Beneath Waterdeep
Population: ~2,000–5,000 (constantly fluctuating)
Government: Fragmented factions, criminal syndicates, mercenary influence
Primary Races: Humans, dwarves, drow, duergar, goblinoids, half-orcs, tieflings
Exports: Smuggled goods, black market trade, Underdark commodities, mercenary labor
Imports: Food, weapons, timber, ale, textiles, surface luxuries, slaves
Known For: Smuggling, black markets, piracy, Underdark trade, lawlessness
Skullport lies deep beneath Waterdeep in the upper reaches of Undermountain, hidden within vast caverns connected by ancient tunnels, subterranean waterways, and forgotten dwarven ruins.
Though often described as a criminal haven, Skullport is more accurately a city built entirely around survival.
Everything unwanted by the surface eventually finds its way here. Smugglers move contraband beneath the eyes of Waterdeep’s authorities. Mercenaries sell steel to the highest bidder. Underdark traders emerge from below carrying strange fungi, rare ores, poisons, exotic beasts, and things better left unnamed.
Coin matters more than morality in Skullport.
Unlike Waterdeep above, the city offers little illusion of civilization. Rotting docks cling to underground canals beneath cavern ceilings lost in darkness. Buildings lean against ancient stone foundations left behind by older kingdoms long forgotten. Lantern light, fungus glow, forge fires, and ship lamps provide the only warmth against the oppressive gloom.
Yet despite its dangers, Skullport thrives because there will always be profit in places where laws cannot easily reach.
Skullport occupies a massive cavern system connected to subterranean waterways that eventually reach the sea through hidden passages and flooded tunnels.
The city rises unevenly along stone ledges, old dwarven foundations, collapsed ruins, and stacked wooden platforms built precariously above black water channels. Rope bridges, narrow stairways, and suspended walkways connect districts in ways that often feel unstable or temporary.
Above Skullport lies Undermountain, the endless megadungeon ruled by madness and ancient magic. Below it stretch deeper passages into the Underdark.
The city exists between worlds:
Trade is the lifeblood of Skullport.
The city survives by moving goods others cannot openly buy or sell. Smugglers, fences, black market dealers, mercenary companies, and Underdark traders all converge here because Skullport offers anonymity and opportunity.
Common trade includes:
Surface merchants quietly use Skullport when avoiding tariffs, guild monopolies, or legal restrictions imposed by Waterdeep and other cities.
Many fortunes are made in Skullport.
Most do not last.
No single authority truly controls Skullport for long.
Power shifts constantly between:
Violence, intimidation, and reputation often matter more than written law.
Temporary alliances form when profit demands cooperation, but betrayal is common and stability rarely lasts. Entire districts may change hands overnight following assassinations, gang wars, or sudden disappearances.
The city’s only true constant is commerce.
The center of Skullport’s economy.
Rotting piers and underground canals are crowded with smugglers, hidden cargo vessels, fishing boats, ferries, and strange craft arriving from the deeper Underdark waterways.
Nearly anything can be bought here for the right price.
A maze of cramped stalls, hidden chambers, taverns, warehouses, and fenced goods.
Weapons, poisons, magical curiosities, forged documents, stolen relics, and forbidden knowledge circulate freely through these districts.
Much of Skullport rests atop ancient dwarven stonework left behind by older civilizations connected to the deep tunnels beneath the region.
Collapsed halls, hidden passages, forgotten shrines, and sealed vaults still exist beneath parts of the city.
Many adventurers come searching for them.
Many never return.
Skullport’s taverns serve as meeting grounds for smugglers, delvers, mercenaries, pirates, and fugitives from every corner of Faerûn.
Information moves almost as quickly as ale.
Skullport attracts people who have nowhere else to go.
Some seek wealth.
Others seek anonymity.
Many simply seek survival.
The city’s population constantly shifts as adventurers descend into Undermountain, smugglers move cargo through the tunnels, and Underdark traders emerge from below.
Trust is rare. Reputation matters. Weakness is quickly exploited.
Yet despite its brutality, Skullport possesses a strange kind of freedom absent from many surface cities. Status matters far less than usefulness, and survival often creates unlikely alliances between people who would never stand together elsewhere.
Crime is not hidden in Skullport.
It is the foundation of the city itself.
Smuggling, extortion, murder, black market trade, piracy, slavery, illegal magic, and assassination all operate openly to varying degrees.
Beyond the criminal element, Skullport also faces constant threats from:
Even experienced adventurers rarely feel fully safe here.