The Waccasassa River is a remote, tidal river on Florida's Gulf Coast, flowing through Levy County east of Cedar Key. The primary and most central launch point for paddlers is the Waccasassa River Park boat ramp at the western terminus of County Road 326, southwest of Gulf Hammock. This site provides a concrete ramp, parking, restrooms, and picnic tables. The river is approximately 29 miles long, but only a few miles are reliably navigable by paddlecraft. From the launch, paddlers face a choice. Heading downstream leads toward Waccasassa Bay and the Gulf of Mexico, a distance of about four miles. This estuarine section transitions from forested swamp to open salt marshes and eventually the open Gulf, where paddlers must navigate open waters to access the preserve's coastline. Heading upstream from the ramp offers a more sheltered, swamp-forest environment. Roughly two-thirds of a mile upstream, the river forks; the left branch continues as the Waccasassa River, while the right branch enters the spring-fed Wekiva River, a tributary.

Tidal influence is significant and is a primary factor for trip planning. The river has a slow current, but tides can change water levels by a foot or more over a few hours. Paddlers exploring the small creeks off the main channel must be cautious of getting stranded on an outgoing tide. As a general rule, tides run about two hours later on the upper sections of these tidal creeks compared to the open Gulf. The area is known for its isolation and lack of development, with no facilities or cell phone signal along the river. The scenery varies from the lower, swampy sections with cypress, red maples, and bay trees to higher, drier forests of oak, hickory, and pine upstream. The water is typically dark and tannin-stained from flowing through swamps like Devil's Hammock, though some spring-fed tributaries like the Wekiva can have clearer water upstream. Wildlife viewing is a highlight, with potential sightings of birds, alligators, deer, otters, and wild hogs. Motorboat traffic is minimal upstream of the launch, but the downstream route to the bay may see more activity. For multi-day trips, four primitive, first-come-first-served campsites are located within Waccasassa Bay Preserve State Park as part of the Florida Circumnavigational Saltwater Paddling Trail. Paddling here is considered moderate to difficult due to navigational challenges like log jams, downed trees, and narrow, twisting channels, especially further upstream.