The primary access for paddling Boundary Creek is from the Clayton Bay Waterfront Reserve boat ramp, located at GPS coordinates 35.4970 S, 138.9235 E. This creek is a shallow, reed-lined waterway accessible from Lake Alexandrina and the larger Coorong lagoon system. A full-day paddle here typically takes around six hours. The aesthetic is defined by its reed-lined banks, and the waterway connects to significant regional features like Lake Alexandrina and the Coorong. The trip is a substantial undertaking best suited for paddlers prepared for a long day on the water in a shallow, vegetated environment.