Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🚤 Full Service Marina Est. Slips ~40 Water Ocean/Bay Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple covered slips along a bay shoreline, adjacent surface parking lot with some vehicles but no visible striping or access controls.

Aerial view of Coast Guard Basin
Gulf Coast

Coast Guard Basin

Port O'Connor, TX

Coast Guard Basin is a marina situated in Port O'Connor, Texas, along the western Gulf Coast, where it lies on the edge of Matagorda Bay, providing direct access to the bay's protected waters and the open Gulf of Mexico. It serves recreational boaters and fishermen who navigate the coastal bays, inlets, and offshore areas of this region, known for its diverse marine ecosystems and fishing opportunities. This setting makes it a key spot for those exploring the southeastern Texas coastline.

Location Port O'Connor, Calhoun County, Texas
Capacity ~40 slips
Coordinates 28.4340, -96.4280

Nearby Marinas in Texas

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically — allowing permitted vehicles through via transponder or keycard while logging all access events.