Inside of an old mansion called The House of Mermaids, you can see the shadows of the ghost of a trapped soul and hear the desperate wailing coming from within La Casa de las Sirenas in Seville, Spain.
As the moon rises over the Spanish city landscape, the old mansions of yesteryear come alive with ghostly apparitions and spectral hauntings.
From its eerie whispers to its chilling apparitions, La Casa de las Sirenas beckons the curious to unlock its enigmatic history. Join us on a journey as we peel back the layers of time and uncover the spine-tingling tales that have made this mansion infamous.
Historical background of La Casa de las Sirenas
Seville where we find La Casa de las Sirenas is the capital city of Andalucia. This place is known for its rich history, vibrant culture, and stunning architecture, however, beneath its charming facade, lies a darker side – a world of haunted mansions, ghostly apparitions, and spine-chilling tales.
Read more: Check out all of our ghost stories from Spain
Originally built as a romantic mansion in 1864, La Casa de las Sirenas was a symbol of opulence and grandeur. Its architectural beauty, with its intricate detailing and elegant design, made it a coveted residence for wealthy families.

The name meaning The House of Mermaids comes from the Egyptian sphinxes at the entrance of the house, with people thinking it looked like sirens from Greek mythology. Although it was a grand house, not many stayed in it for too long and it has always been shrouded in mystery. Why did people leave so quickly? And why do people claim to see people in the windows although it has been abandoned for years?
As the years passed, La Casa de las Sirenas fell into disrepair and was eventually abandoned in the 1980s, but left behind a haunted rumor.
The Haunted Mansion of Mermaids
With the mansion left to decay, especially in the 1970s and 80s, rumors of its haunting began to circulate. People claimed to have seen figures in the windows, heard disembodied voices, and experienced inexplicable phenomena. The allure of the mansion’s haunting history drew paranormal investigators, thrill-seekers, and curious individuals who were eager to uncover its secrets.
Read more: Check out all of our ghost stories set in Haunted Houses
One of the most chilling accounts of paranormal activity at La Casa de las Sirenas is the sighting of figures in the windows. Visitors have reported seeing shadowy apparitions peering out from the dilapidated mansion, their presence sending shivers down their spines. The figures appear and disappear without a trace, leaving witnesses questioning their own sanity.
Another eerie phenomenon reported by those who have ventured into the mansion is the sound of a terrible wailing. The chilling cries reverberate through the halls, creating an atmosphere of unease and dread. Some believe these mournful sounds are the echoes of a tragic event that unfolded within the mansion’s walls, forever imprinted on the fabric of its existence.
The Imprisoned Ghost Still Haunting the Mansion
Who this ghost inside of La Casa de las Sirenas is supposed to be is unclear, but many claim the ghost is one of the descendants of the Portilla family that owned the house once upon the time before leaving it to decay in the 1950s.

According to legend the son of the family was confined to the house because of being homosexual and they tried to cut him off from the world from a young age. Some say that the confinement was by himself as he didnt’ want to live like this and punished himself by locking himself up.
Another version of the legend is that the family physically tied him up and shut him inside so as not let his sin be known and come to life. How he died is up for debate. Was it by natural causes or by someone’s hand? In any case, it is said that the ghost haunting this house is him.
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References:
La Casa de las Sirenas: el secreto que se esconde entre sus cuatro paredes – El Patio Colorao
La Casa de las Sirenas: la historia del palacio encantado de la Alameda – Sevilla Secreta
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