The staff at Kefalonia Grand are a standout feature of the hotel according to many guests. Comments praise the friendliness, helpfulness and attentiveness of the staff with specific shoutouts to individuals such as Kasandra, Marika, Stella and Martha. Guests describe the staff as professional, accommodating, approachable and able to provide valuable local knowledge and recommendations. The service is frequently described as 5-star and staff members are commended for going out of their way to help guests. While one guest notes slow service from a waitress, overall the staff are praised as 'amazing', 'fantastic', 'exceptional' and 'super friendly'. The hotel's location and cleanliness are also commended with the service being described as 'excellent'.