Amelia Island suits families for an unglamorous reason: the best things are outdoors, cheap, and tolerant of short attention spans. There is no theme park to build a day around, and it turns out not to matter.
Where to stay for this
Oceanside Fletcher Avenue. You walk to the sand, and downtown is a five-to-eight minute drive. A south-end resort works too — pools, kids' clubs, quieter beach — at the cost of fifteen minutes each way to dinner variety.
Not a downtown historic inn. Stairs, antiques, shared breakfast rooms, and some have minimum-age policies.
Day 1: the fort and the beach
Morning — Fort Clinch State Park. Start here. An 1847 masonry fort children are allowed to walk through — ramparts, galleries, cannons, kitchens, a bakery — rather than view from behind rope. On living-history weekends there are costumed interpreters inside the walls.
Bring water. The brick holds heat and the ramparts have no shade.
Then, in the same park: the river beach near the jetties, which is calmer than the ocean side and better for small children, and the fishing pier. Shark-tooth hunting in the shell hash at the jetties is a genuinely good hour for a child.
Afternoon — Main Beach Park. The island's only beach with free parking, restrooms, outdoor showers, a playground, sand volleyball, picnic pavilions, and food, ice cream and mini-golf across the road. Nothing else here packs that much into one stop.
Arrive before 10am or after 4pm in season — the lot fills by late morning.
Dinner: counter-service seafood downtown, or a casual oceanside grill without changing out of beach clothes.
Day 2: alligators, then water
First light — the Egans Creek Greenway. Three hundred acres of tidal marsh, flat crushed-shell trails, free, with alligators resident in the creek and ponds and frequently visible from the path.
For a child, a wild alligator from twenty yards beats most ticketed attractions in Florida. Keep them well back from the water's edge, keep dogs leashed and short, and go in the first two hours of light — midday is hot, shadeless and quiet on the wildlife front.
Late morning — a guided kayak trip into the salt marsh, which works well from about age eight. The operator plans around the tide, which is the thing that ruins independent paddling here. Dolphins in the river, wading birds throughout.
Afternoon — a quieter beach. Peters Point on the south end has restrooms, showers and much more room than Main Beach.
Book ahead: the kayak trip, before you travel.
Day 3: history, and something booked
Morning — American Beach and Burney Park. Twenty minutes that change how the rest of the island reads: the community founded in 1935 by the Afro-American Life Insurance Company so that Black Floridians could reach an ocean beach under segregation, with NaNa, Florida's tallest dune, protected behind it.
Park at Burney Park, walk the marked routes, read the markers. It is a residential neighbourhood — treat it as one.
Or, if you booked it: beach horseback riding at Amelia Island State Park, the only Florida state park that permits it. Guided, reservation-only, and it sells out in spring and autumn. Best for older children.
Afternoon — downtown. Centre Street's eight blocks, the Amelia Island Museum of History if the weather turns, and the working shrimp docks at the marina. Sunset from the marina boardwalk — the island faces east, so this is where the end of the day happens.
The rainy-day plan, held in reserve
The island has almost nothing indoors: the museum, the shops, a long lunch. A genuinely wet day is best spent driving the forty minutes to Jacksonville, which has the museums, the zoo and the cinemas an island of thirteen thousand does not. Hold that as the plan rather than discovering it at 11am.
What to skip with small children
The Amelia Island Lighthouse. It cannot be climbed — an active navigation aid on private grounds, viewable from a residential street. A child promised a lighthouse climb will be disappointed.
Downtown dinner at peak hour with a toddler. Counter service and courtyards instead.
Safety, briefly and seriously
No lifeguards at most accesses; coverage is seasonal and limited. Swim near other people.
Rip currents are the real surf hazard here, not sharks. Keep clear of the Fort Clinch jetties and the southern inlet, where currents run hard.
Alligators on the greenway are wild animals. Children stay on the trail and back from the water.
Sea turtle nesting, roughly May to October: fill in every hole you dig — a hatchling cannot climb out — and take gear off the sand at day's end.