Two facts decide a toddler day on this island, and neither is on a resort's website.
The sand is hard, and that changes everything
Amelia Island's beach is hard-packed and flat, not soft and steeply banked. A pushchair rolls on it. A wagon rolls on it. A child who falls over does not disappear into it. If you have used a Gulf-coast sugar-sand beach with a buggy, this is a materially different experience.
Go at low tide, and use the sandbars
The tidal range is 6 to 7.4 feet on a very flat beach, so at low water the sea retreats a long way and leaves wadeable shallows over the exposed sandbars — warm, calm, ankle-to-knee deep. That is the single best thing on this island for a two-year-old, and it exists for a few hours twice a day.
At high tide on a narrow access there is barely a beach. Check today's tides the night before, not on the way.
One warning that matters: the flood comes in behind you on a sandbar, not at you. Do not let the water get between you and the beach.
Where to go
Main Beach Park is the toddler access. Free paved lot, restrooms, boardwalk over the dune, playground, picnic tables — and the only access we have confirmed carries seasonal lifeguards. It is also the busiest; the lot fills on summer weekends.
Seaside Park and Peters Point have a free lot, restrooms and a boardwalk with a fraction of the traffic. We have not confirmed whether either is guarded, and the page says so rather than guessing.
Burney Park at American Beach — free lot, restrooms, boardwalk, and the quietest of the parks with facilities.
Off the beach
Fort Clinch works better with small children than it sounds: a parade ground to run on, ramparts to climb, and enough space that noise is nobody's problem. The road in is a long avenue of live oaks.
Egans Creek Greenway is flat, free and pushchair-friendly, with alligators visible from the path — genuinely thrilling at three years old. Keep well back from the water edges, and keep a firm hold: the channels come right up to the trail.
Downtown is compact and walkable, with the harbour marina at the end of Centre Street for boats to look at.
Practical notes
Lifeguards are the exception here. Most of the island's thirteen miles is unguarded at all times of year. Arm's reach, always — see are there lifeguards.
Water temperature. The ocean is 71.2°F in April and 57.9°F in January. For a toddler actually getting in, come between June and October, when it holds 80°F or better.
Summer afternoons. Near-daily thunderstorms from June to September, and 90.7°F in July. Beach in the morning, nap and indoors from three.
Turtle nesting, 1 May to 31 October. Fill in every hole you dig and flatten sandcastles before you leave — a hatchling that falls into a hole does not get out. It is a good thing to explain to a small child.
Hours and prices. We publish none for any business on this site, because we have confirmed none. Call ahead.