How many seashores are there in the world now?

It is difficult to provide an exact number of seashores in the world, as the definition of a seashore can vary and many Coastlines are continuously changing due to natural processes. Globally, there are thousands of seashores, encompassing various types of coastlines along oceans, seas, and large lakes. These include sandy beaches, rocky shores, and mangrove wetlands, each differing in characteristics and ecosystems. Additionally, many countries have multiple seashores, contributing to a vast and diverse array of coastal environments.