IHA is an online vacation-rental platform connecting travelers directly with private property owners. Its listings span 184 countries and include holiday homes, seasonal rentals, rural and agritourism stays, and bed-and-breakfast rooms. Visitors can browse destinations, compare accommodation options, explore last-minute deals and promotions, and search by travel dates, guest numbers, or preferred themes. The site highlights experiences such as nature walks, local cuisine, cultural heritage, festivals, wellness, fishing, sports, and family or romantic trips, alongside destination guides and seasonal travel ideas.

IHA also provides tools for owners to publish and promote accommodation listings, with options for advertising and information about listing prices. The platform describes listings as checked and supports real-time booking requests, while enabling direct contact between guests and owners. It states that it charges no connection or transaction fee. Travelers can read guest reviews and owner responses to help assess properties and plan their stays. With accommodation choices ranging from coastal and city breaks to countryside escapes, IHA helps users find stays and activities suited to different interests and budgets.