Swimming conditions at South Jetty Beach can be challenging due to strong currents near the Colorado River mouth and the jetty structure. The convergence of river and Gulf waters creates unpredictable currents and undertows. There are no lifeguards on duty. Families with children should exercise extreme caution and stay in shallow areas. The jetty rocks can be slippery and hazardous. Always check local weather conditions before entering the water, and never swim alone. Fishing from the jetty is popular but requires careful footing.

South Jetty Beach is accessible year-round, with each season offering different appeals. Spring and fall provide mild temperatures (70-80°F) ideal for beach activities without intense heat. Summer brings warmer Gulf waters but higher humidity and crowds. Winter offers solitude and excellent birding opportunities, though water is too cold for most swimmers. Sunset viewing is spectacular year-round, especially during fall and winter when skies are clearer. Avoid visiting during tropical storm season (June-November) when weather can change rapidly.

From Matagorda, drive south toward the Gulf on FM 2031, which becomes Matagorda Beach Road. Follow signs toward the river mouth and jetty area. Parking is available in designated areas near the beach, typically unpaved and free. Four-wheel-drive vehicles have more options for beach access, though passenger cars can reach main parking areas. The beach is at the end of the road where the Colorado River meets the Gulf. Plan for limited facilities and bring everything you need.

South Jetty Beach has minimal amenities directly on-site, reflecting its hidden, undeveloped character. Basic portable restrooms may be available seasonally but aren't guaranteed. For restaurants, groceries, and gas, return to the town of Matagorda, about 10-15 minutes away. Lodging options include vacation rentals and small motels in Matagorda and nearby Bay City. This is a bring-your-own-supplies destination, so pack food, water, sunscreen, and any beach gear you'll need for the day.

The South Jetty is a prime fishing spot where the Colorado River meets the Gulf of Mexico, creating a nutrient-rich environment that attracts diverse species. Anglers catch speckled trout, redfish, flounder, sheepshead, and black drum depending on season. The jetty rocks provide structure for fish, while surf fishing along the beach is also productive. Tides and river flow significantly impact fishing success. This location is less crowded than other Texas coastal fishing spots, offering a more peaceful experience for those willing to make the drive.