In terms of accessibility from the international airports, the area can be categorized as moderately accessible. The drive from San José typically takes around 3.5 hours, depending on traffic and road conditions. While the roads are generally well-maintained, travelers should be prepared for some winding routes and potential delays during peak travel seasons.

Road conditions from other parts of the country can be varied, but overall, the main highways are in good condition. However, some rural roads leading to Arenal's surrounding attractions may be unpaved or narrow, which can make navigation challenging.

Travelers have two primary options for getting around Arenal: renting a car or booking a private transfer service. Renting a car provides the flexibility to explore the area at one's own pace, but it also comes with the responsibility of navigating unfamiliar roads and finding parking. On the other hand, private transfer services offer a hassle-free experience, with a professional driver transporting travelers from the airport to their accommodations. While both options have their advantages, safety is a key consideration, as Costa Rican roads can be unpredictable. Private transfer services often have experienced drivers familiar with local conditions, which can be a significant advantage.

To ensure a smooth arrival and departure, travelers are strongly advised to book transportation services in advance. This is particularly important during peak travel seasons, as availability can be limited, and delays can occur. By booking ahead, visitors can avoid unnecessary stress and guarantee a convenient and reliable transportation experience.

Overall, Arenal is an accessible destination, with various transportation options available. By understanding the local context and planning ahead, travelers can make the most of their time in this stunning region of Costa Rica.