Map My WA Wine serves as the official digital companion for exploring Washington State's wine country, developed by the Washington State Wine Commission. The application positions itself as an authoritative source for oenophiles and casual tourists alike, offering verified information directly from the state's wine governing body rather than crowdsourced data. This institutional backing provides users with confidence in the accuracy of winery listings, event information, and regional recommendations. The application's core functionality revolves around three interconnected features: discovery, planning, and sharing. The discovery module enables users to filter over 1,000 wineries and tasting rooms by multiple criteria including wine varieties offered, amenities (such as pet-friendly or picnic areas), and geographic proximity. The trip planner allows creation of multi-day itineraries with driving time calculations between locations, while the events calendar surfaces wine festivals, release parties, and educational seminars with ticket purchasing options. All content remains persistently available offline—a critical feature given the patchy cellular coverage in many rural wine regions. User experience demonstrates thoughtful adaptation to real-world wine tourism scenarios. The interface employs a clean, map-centric design with color-coded pins differentiating wineries from tasting rooms and event venues. During testing, the app successfully guided users through sequential tasting appointments with push notifications for upcoming reservations and real-time traffic adjustments. The sharing functionality proves particularly useful for group trips, allowing collaborative itinerary building and wine note comparisons among traveling companions. Performance remains stable even when loading detailed vineyard information and high-resolution imagery. With no user reviews available at time of publication, assessment relies on technical evaluation and comparative analysis with similar regional wine apps. The absence of user-generated content distinguishes it from platforms like Vivino or Wine-Searcher, instead focusing on curated, commission-approved content. This approach ensures reliability but may lack the community-driven insights some users seek regarding specific vintages or personal tasting experiences. The application excels as a planning tool for structured wine tourism but shows limitations in spontaneous discovery features. Its greatest strength lies in comprehensive, verified data from the state commission, while the primary constraint involves relatively basic social features compared to crowd-sourced alternatives. Ideal usage scenarios include pre-trip research for Washington wine country visitors and day-of navigation between appointments, though it serves less effectively for casual local users seeking last-minute tasting options or wine purchase recommendations.