OnDayton is a local online guide to Dayton, Ohio, bringing business listings, events, news, and visitor information together in one place. Its directory includes more than 42,000 local business listings, helping residents and visitors discover places and services across the area. Categories cover dining, nightlife, lodging, shopping, things to do, health and beauty, home services, automotive, community organizations, and professional services.

The site features searchable listings for restaurants, cafés, hotels, shops, attractions, healthcare providers, contractors, and more. Users can also explore upcoming events, including performances, concerts, sports, and community activities, alongside articles, columns, guides, news, and reviews. Editorial content includes local event roundups as well as travel and lifestyle features.

For businesses, OnDayton offers options to add or claim a listing, provide photos and hours, manage listing information, and explore advertising or sponsored content. Readers can sign up for a weekly email highlighting Dayton places, events, and recommendations. Overall, OnDayton serves as a practical discovery and promotional resource for the Dayton community.