Amelia Island is a good island for a dog and a straightforward one, provided you accept the one rule that does not bend: the leash.
There is no off-leash beach on Amelia Island. Not a stretch, not a time window, not a quiet end. Dogs on the sand are on a lead, and the requirement is enforced — this is a sea turtle nesting coast and the ordinances exist for a reason.
Three sets of rules, not one
The island is governed in pieces, and dog rules follow the jurisdiction:
City of Fernandina Beach beaches — the accesses along Fletcher Avenue, including Main Beach Park — permit leashed dogs, with waste bags and bins provided at most accesses.
Nassau County parks on the south end — Peters Point, Scott Road, Burney Park — also permit leashed dogs, under county rules.
Florida state parks are the exception to watch. State park rules on dogs vary by unit and by area within a unit, and beach access for dogs is often more restricted than at city or county beaches. Do not assume Fort Clinch or Amelia Island State Park works the same way as Main Beach; check the individual park before you drive there with a dog in the car.
Turtle season changes the stakes
Sea turtle nesting on this coast runs roughly May through October. During those months: keep off marked nests, fill in any hole you dig, remove your gear from the sand at the end of the day, and keep dogs away from the dune line. A loose dog on a nesting beach is a wildlife offence, not a minor infraction.
Practical notes for a beach day with a dog
Water. There are no dog water points on the beach and the sand gets hot. Bring more water than you think you need.
Shade. There is essentially none on any Amelia Island beach outside the picnic pavilions at Main Beach and Peters Point.
Sand temperature. Test it with your hand. On a July afternoon the dry sand will burn paws.
Rinse. Main Beach and Peters Point have outdoor showers, which is the easy way to get salt and sand off a dog before the car.
Beyond the beach
The Egans Creek Greenway takes leashed dogs on its marsh trails, and it is the better option on a hot afternoon — earlier light, some breeze, and more interesting to a dog than open sand. One serious caveat: alligators are resident in the creek and ponds. Keep the dog leashed, short, and away from the water's edge. This is not a theoretical risk.
Several downtown restaurants have patios that welcome dogs, but policies change and we have not confirmed the current position at any specific venue — ask at the door rather than assuming.
What we have not confirmed
The specific ordinance numbers, the current bag-and-bin provision at each individual access, and the exact state park dog rules are all on our verification list. Check the City of Fernandina Beach, Nassau County and Florida State Parks directly before relying on any of it.