The main products of Mesolongi are related to food. As the town is surrounded by a large sea lake, fishing is an important income for the locals. However, apart from fresh fish, the most high-quality product of Mesolongi is the fish roe (botargo). The fish roe of Mesolongi stands for the fine aroma and the delicate state.
It is produced with the traditional technique and they do not get dry. Rich in proteins, vitamins, and calcium, the fish roe of Mesolongi has no preservatives or coloring substances. There are many local fish roe workshops in Mesolongi and in the close town of Etoliko. Other products of the region include tomatoes, watermelons, figs, and virgin olive oil.