- Festivities: The people of San Agustin celebrates the Kalipayan Festival (Biniray / Streetdancing) held during the months of April and August while the Sabwagan Festival is held every month of February and July at Barangay Carmen.
- Attractions: San Agustin, among its attractions, include beaches, waterfalls, diving site, etc.
- Dubduban - Bita Falls, located in the interior of Barangay Dubduban, this impressive seven-tiered falls lies amidst dense vegetation and cool surroundings. The first tier is on the top of a hill with a 70-foot deep pool of clear blue-green waters. The bottom tier ends in a shallow pool of water.
- Long Beach, a long wide sandy beach located at the foot of Mt. Payaopao (Barangay Mahabangbaybay), now being developed as the center of eco-tourism in the municipality.
- Sunken Spanish Galleon (Barangay Carmen), this site is highly recommended for sea explorers. This Spanish Galleon can be found in the deep waters of Carmen Bay, ideal for scuba diving.
- Kambaye Beach (Barangay Binongaan), possess a white long sandy shore and provides a full view of Romblon Island.
- Trangkalan Grotto and Stations of the Cross, this sacred place can be found in Barangay Bachawan. The place offers a tranquil atmosphere for the religious and a cascading falls to refresh picnickers..
- Cawayan Park (Barangay Cawayan), the terrain is hilly and thickly forested, making it a homey refuge for wildlife flora and fauna.
- Punta Gorda Stairways (Barangay Cawayan), a concrete steps from the shoreline to the hilltop. Constructed by the national government in 1950, it is one of the most beautiful tourist spot in the area.
- Cotta (Barangay Cagboaya), the ruins of an old Spanish cotta or fort which was built by the natives to serve as a watch post for raiding Moro pirates. Perched on Payong-Payong Hill in Barangay Cagboaya, the remaining limestone walls of the cotta serve as a mute testimony to the town’s rich historic past.
- San Agustin Freedom Park (Barangay Poblacion), the municipal park in San Agustin is a sprawling hectare of greens by the bay. It offers an undisturbed view of ships passing through Romblon Pass and, on clear days, a view of the islands of Romblon and Sibuyan.