That's a very common and smart concern! Raccoons are incredibly clever and dexterous, turning a standard bin into a messy buffet. For a small park, you'll want to focus on specific features rather than just a "sturdy" bin.
First, prioritize bins with animal-proof locking mechanisms. Look for models with a locking lid that requires a hand lever or a pedal to open. Raccoons struggle with these coordinated actions. A spring-loaded or cam-lock lid that snaps shut is much better than a simple flip-top.
Material matters too. Heavy-duty, galvanized steel or thick plastic bins are harder to tip over or chew through. Avoid lightweight materials. Anchoring the bin to a concrete pad or using ground sleeves adds another layer of security, preventing determined animals from knocking it over.
Placement is key. Install the bin in an open area, away from trees, fences, or structures that raccoons can climb. Good lighting at night can also deter them. For a small park, one or two well-chosen, well-placed bins are more effective than several cheap ones.
Finally, establish a consistent emptying schedule. Even the best bin can be breached if it overflows. A locked bin that's regularly serviced is your best defense. Many municipalities now offer certified "wildlife-resistant" models, so check with your local parks department supplier for approved options.