Warblington Castle dates back to the 16th century.
It is now up for sale but it will set you back more than £2.4 million.
The remains of the tower, part of the gate and drawbridge are on the grounds of the property.
MORE PROPERTY: This amazing thatched house is on sale in Denmead | A five bed family home is on sale for £885,000 in Havant
It also comes with a swimming pool and pool house.
We have pulled together a gallery of photos of Warblington Castle.
You can subscribe here for unlimited access to Portsmouth news online - as well as fewer adverts, access to our digital edition and mobile app.
1. Warblington Castle
The property lies in un-spoilt rural surroundings close to the shores of Langstone Harbour and is surrounded by some four acres of gardens and grounds.
Photo: Zoopla
2. Warblington Castle
Warblington Castle was previously owned by Warwick the King Maker and Margaret Pole, Countess of Salisbury.
Photo: Zoopla
3. Warblington Castle
It has seven bedrooms and is listed on the market for £2,450,000 - it is listed by Jackson-Stops Chichester - 01243 468806
Photo: Zoopla
4. Warblington Castle
Warblington Castle is within a very short distance of Portsmouth and has good rail links to London, not to mention the facilities of the pretty harbour-side town of Emsworth.
Photo: Zoopla