If you're looking for beach or natural-area access on Amelia Island, Burney Park sits high on the list for anyone who's spent real time here.
A beachfront park on the south end of Amelia Island at historic American Beach. Offers a large free parking lot, restrooms with showers, outdoor showers, picnic tables, and lifeguard towers staffed from Memorial Day through Labor Day. Easy beach access from the main entrance makes it a great family spot.
Located in Fernandina Beach, it's within a short drive of most parts of Amelia Island.
The venue reads as Family-Friendly, Free Parking, Restrooms, Showers based on its own positioning, which is a useful signal if you're trying to match it against what you're actually in the mood for.
For current hours, menu (or offerings), and anything else that changes season to season, the business's own site at https://www.nassaucountyfl.com/facilities/facility/details/Burney-Park-9 is the source to check; nothing on this page invents a detail that isn't on theirs.
For property owners along the coast, regular home watch visits catch the wear that salt air and beach proximity put on a house before it becomes expensive. The beach is the reason; the maintenance is the reality.