Based on the latest information available, Stairtown Road 515 boat ramp in Luling, Texas is a concrete boat ramp that is open to the public. It is about 8 feet wide, which is wide enough for most types of boats to launch or retrieve.

The boat ramp services the San Marcos River, which is a popular destination for anglers and recreational boaters. This river is known for its clear water, abundant fish, and scenic beauty, making it an excellent spot for kayaking, canoeing, tubing, or fishing.

According to the Texas Parks and Wildlife Department, motorized boats are permitted on the San Marcos River, as long as they comply with the applicable boating laws and regulations. However, some parts of the river may have speed limits or other restrictions, so it is advisable to check the local boating regulations before heading out.

In summary, Stairtown Road 515 boat ramp in Luling, TX is a concrete boat ramp that services the San Marcos River. It is wide enough for most types of boats to launch, and motorized boats are permitted on the river, subject to applicable regulations.