The chapter highlighted the significance of market segmentation, focusing on defining market populations based on distinctive characteristics and creating tailored marketing programs for each segment. Geospatial analysis is essential in this process, providing insights into consumer behavior, demographics, and spatial trends. Utilizing geodemographic, behavioral, and psychographic segmentation allows marketers to strategically target the right groups. Geospatial data, in particular, can enable tourism marketers to concentrate their advertising on specific locations, enhancing the efficiency and impact of their campaigns. The chapter also details methods for customizing marketing messages, such as dynamic content, localized suggestions, geofencing campaigns, GPS and time zone-based messaging, and geo-specific communications, ensuring that communications are timely and culturally relevant. Employing geospatial analysis can enhance marketing effectiveness by optimizing campaign strategies, channels, timing, and frequency, leading to improved performance and return on investment (ROI).