Almost nobody writes honestly about taking a toddler to Koh Larn, so here's the real version. It's very doable and can be a lovely day — the water is calm and warm on the right beach, the ferry is short, and a tired toddler naps anywhere. But the island is hot, hilly and boat-based, none of which a one-year-old appreciates, so the difference between a great day and a screaming one is entirely in the planning.

Pick the right beach (this matters most)

Go to Tawaen. We usually steer adults toward quieter beaches, but with a toddler you want the gentle, shallow, roped-off swim zone, shade from a rented umbrella, toilets, a 7-Eleven for nappies and water, and food a few steps away — and Tawaen has all of it in one place. Samae is a good second choice if you want it slightly calmer and don't mind a short transfer. Skip the remote beaches entirely; carrying a toddler and a bag over a rocky path in 33°C is nobody's idea of fun.

The ferry with a pram

The public ferry is boarded by a gangway and steps and can be busy, so a lightweight, foldable stroller (or, honestly, a baby carrier) beats a bulky travel system. Fold the pram before boarding, hold your toddler on the crossing, and keep a hand on the rail — the boat moves. A carrier frees both hands and is far easier on the island's hills and soft sand than wheels.

Beat the heat and the sun

  • Go on the first ferry: cooler air, calmer water, smaller crowds, and you're heading home before the brutal midday heat.
  • Bring more shade than you think — a pop-up beach tent or a rented umbrella, plus a hat and a UV rash vest for the little one.
  • Reef-safe sunscreen, reapplied; toddlers burn fast.
  • Plenty of water and snacks. The 7-Eleven at Tawaen covers most gaps, but don't rely on a quiet beach having anything.

Naps, nappies and meltdowns

Time the trip around the nap if you can — many toddlers will sleep in a carrier on a shaded lounger to the sound of the sea. There are basic toilets behind the Tawaen restaurants (carry your own tissue and a changing mat; don't expect a pristine baby-change room). Build in slack: rushing a toddler for a ferry is how the day unravels, so aim for an earlier boat back than you strictly need.

Tip: Pack a dry bag with a full change of clothes, spare nappies, a muslin, snacks and a small toy. Wet, sandy, hungry toddler + no spare clothes for the ferry home = a long 40 minutes.

The honest verdict

Worth it with a plan, on a calm dry-season day, based at Tawaen, on early boats. Skip it if the sea's rough, if it's peak midday heat, or if you were hoping for a relaxing day — with a toddler it's a fun outing, not a rest. For the wider picture, see our family shortlist and practical guide.