Areas where mangroves occur include estuaries and marine shorelines. Bays may have as wide a variety of shoreline characteristics as other shorelines. Batan Island and Sabtang have intermittent stretches of sandy beaches and rocky shorelines. They are also found on coastal lagoons, shorelines and sheltered ponds. There are visible wave-breaking reefs along the northern and eastern shorelines. In the northern part lies of coastline with gorgeous shorelines and beaches. This is a landscape of low-lying wooded shorelines, creeks and mudflats. The shorelines are largely composed of marshes. These were usually miniature boats laden with offerings set adrift from riverbanks and shorelines. La Jolla is an area of mixed geology, including sandy beaches and rocky shorelines. It grows in sandy locations such as shorelines and dunes. Coastal lagoons are common, occurring along nearly 15 percent of the world's shorelines. As the lake shrank numerous smaller lakes formed with progressively smaller shorelines. Victoria is popular with boaters with its rugged shorelines and beaches. Rock bass species are usually found near rocky shorelines.