Strangford Lough is a large sea inlet located in County Down, Northern Ireland. It is the largest sea lough in the UK and covers an area of approximately 150 square kilometers. The lough is known for its rich biodiversity, including various species of fish, birds, and marine life, making it a popular spot for nature enthusiasts. The lough is surrounded by picturesque landscapes and several small towns, including Strangford and Portaferry. It is also home to the Strangford Lough Marine Reserve, which helps protect its unique ecosystems. The area is popular for activities such as sailing, kayaking, and birdwatching.