This article explores the significant role that entrepreneurs play in destination development. It contends that while the influence of entrepreneurs is discussed in the literature, scant attention has been paid to the dynamic, catalytic and longstanding nature of this influence. This research shows that entrepreneurial activity is dynamic and creative, and has the ability to influence the creation of a culture for tourism that underpins tourism development over long periods of time. Employing a qualitative case study approach, the research investigates Killarney, Co. Kerry, a developed tourism area in Ireland. It identifies not only the way in which entrepreneurs can shape development at a tourism destination at a particular time but also how this influence can continue long after the original entrepreneur is involved. These entrepreneurs are acknowledged as key ‘tourism influentials’ that underpin the initial and continued development of tourism through their actions