Some popular town attraction are the St. Jerome's Parish Church built in the Spanish Era as well as the featuring side dish called balaw-balaw.

On January 16, 1572, Captain Juan Maldonado, a trusted officer under Martin de Goiti, a Deputy of Miguel Lopez de Legazpi, came to a thriving community by a river while leading a Spanish contingent exploring the areas East of Manila.

This happened almost a year after Martín de Goiti occupied Manila after routing the forces of Rajah Soliman (Sulayman).

[5] The Spaniards found an organized community along both banks of the river but outlying settlements / barangays were in conflict with each other.

During the Spanish colonization in the Philippines, each town (pueblo) was administered by a gobernadorcillo, elected annually by all natives of the locality, subject to the approval of the superior government in located in Manila.

A gobernadorcillo was not elected but was appointed by the governor of the province based on his economic wealth, training and educational background.

[5] The original Bridge of Morong was made of adobe stones, shaped and placed together, forming an arch over the river.

The strength and stability of the bridge came from the weight of its wedge-shaped stone blocks and its upright position.

The stones were cemented with mortar, a mixture of fine sand, lime, molasses and juice of ground puso-puso leaves.

[5] The Catholic church was constructed by men, women and children from stones dug from a hill called Kay Ngaya; lime from the stones of the mountain Kay Maputi; sand and gravel from Morong River; and timber were contributed by the townspeople.

It was originally made of adobe stones, hard wood and galvanized iron sheets for roofing.

On the other hand, a torrita was a small tower with bells that provided the signal directed to the central station in front of the Commandancia.

[5]The first Filipino to die in World War I was Private Tomas Mateo Claudio, who served with the U.S. Marine Corps as part of the American Expeditionary Forces to Europe.

The plan worked for a few days but Japanese troops were eventually able to cross the river at a shallower part farther downriver.

While majority in the barrio depend on farming as a livelihood, many others are engaged in businesses such as garment, poultry and piggery.

In 2005, the small chapel of San Isidro Labrador became a full pledge Parish in the Diocese of Antipolo[usurped] serving 10,500 Catholics.

It lies adjacent with the Laguna Bay in the east, bounded at the south with the town of Cardona, on the west by Brgy.

As a poblacion barangay, the offices of the Local Government of Morong are based in San Pedro.

Landmarks such as Morong Town Plaza, "Statwa ng Magsasaka", and "Puking Bato" sa Boulevard Park are also found in Brgy.

During All Saint's Day, the area is known to be a marketplace for flowers from Baguio and neighboring municipalities in Cordillera.

The barangay's patron saint is the Immaculate Heart of Mary and Sunday masses are celebrated in the chapel every 5 P.M. presided by a Roman Catholic Priest from the mother parish, St. Jerome Church.