Dover Beaches South, more commonly known as Ortley Beach, is an unincorporated community and census-designated place (CDP)[8] located within Toms River, in Ocean County, in the U.S. state of New Jersey.

Toms River Township is split by the United States Census Bureau into three CDPs; Toms River CDP on the mainland, comprising over 95% of the township's population, along with the Jersey Shore communities of Dover Beaches North and Dover Beaches South.

The 2010 United States census counted 1,209 people, 664 households, and 330 families in the CDP.

[12] As of the 2000 United States Census[5] there were 1,594 people, 862 households, and 422 families residing in the CDP.

[14] The current location of Ortley Beach was once home to Cranberry Inlet, an important maritime route that closed after an 1812 storm.

[17][18] After suffering widespread damage to its housing stock during Hurricane Sandy, some publications have argued that Ortley Beach is undergoing gentrification as high rebuilding costs have pushed out older residents and ushered in a new wave of luxury homes.

[19][20][21] According to the Köppen climate classification system, Dover Beaches South has a humid subtropical climate (Cfa) with hot, slightly humid summers, cool winters and year-around precipitation.

During the summer months in Dover Beaches South, a cooling afternoon sea breeze is present on most days, but episodes of extreme heat and humidity can occur with heat index values at or above 95.0 °F (35.0 °C).

On average, the wettest month of the year is July which corresponds with the annual peak in thunderstorm activity.