The South Newport River is a tidal river in coastal Georgia, providing a saltwater paddling environment characterized by significant tidal influence. A primary public access point is the US17 Bridge boat ramp near Townsend, Georgia, which offers a concrete launch, parking, and a picnic area. Another launch referenced is the Harris Neck Road 7223 ramp, a single-lane facility. The river is suitable for kayaks, canoes, and small to medium-sized motorized boats with a maximum of 25 horsepower; airboats and jet skis are prohibited. The paddling difficulty is generally considered beginner-level with gentle moving water, though an alternate route into the river is noted to contain open water and swift currents, indicating conditions can vary.

Tidal dynamics are a critical planning factor. The tidal range near Daymark 135 can be substantial, approximately nine feet, with currents changing direction accordingly. Paddlers must plan their trip timing to work with or against these flows. The river is part of the Atlantic Intracoastal Waterway near Mile Marker 630, so paddlers should anticipate potential powerboat traffic, especially near the channel. The anchorage description notes the area is exposed to southeast winds, which can create fetch and chop on open sections. Hazards include submerged stumps, sandbars, and a noted shoal encroaching into the channel at a 90-degree bend northwest of Mile Marker 630. The best seasons for paddling are typically spring through fall.

The surrounding landscape includes the Harris Neck Wildlife Refuge, and paddlers are advised to be aware of regulations, including a Georgia law prohibiting anchoring within 150 feet of private docks, 300 feet of marinas, or 500 feet of commercial shellfish growing areas. Cell service in the area is limited. The river's aesthetic is that of a coastal Georgia waterway, with stands of trees along the shorelines.