The Sinoe River meets the Atlantic at Greenville, forming a lagoon sheltered by a long sandbar. The combination of lagoon and ocean gives the town its setting: boats move between the quays and the open sea, fishermen work both the calm lagoon waters and the surf, and the mangroves along the river banks extend inland toward the forest.
Hiring a boat to explore the lagoon and lower river is the best way to spend a morning in Greenville. The birdlife along the mangroves is good, and the villages upriver on the Sinoe are reachable by motorised canoe. Ask at the port or through your accommodation about arranging a boat.