Seoul Jamsil Baseball Stadium Emerges as South Korea’s Premier Sports Advertising Platform
Seoul Jamsil Baseball Stadium has evolved beyond a symbol of KBO League popularity into the central stage for sports advertising and marketing in Korea. As the league entered the “12 million spectators era” for the first time in 2025, Seoul Jamsil Baseball Stadium stood at the core of that achievement, functioning as a space where fan experience, broadcast exposure, and brand communication converge in real time.
Attendance data underscores this transformation. Total KBO League attendance rose from 10.88 million in 2024 to a record 12,312,519 in 2025, with an average of more than 17,000 spectators per game across 720 matches. Seoul Jamsil Baseball Stadium played a decisive role in this growth curve, consistently delivering high crowd density and repeat visitation throughout the season.
Several structural factors explain the stadium’s sustained appeal, but from a marketing perspective, accessibility is a critical foundation. Directly connected to Seoul’s major subway interchange on Lines 2 and 9, Seoul Jamsil Baseball Stadium attracts a strong concentration of younger fans in their 20s and 30s while remaining equally accessible to office workers and family audiences across the metropolitan area. This ease of access has translated into longer dwell times and higher engagement—conditions that significantly enhance advertising effectiveness.
On the field, competitive balance and high-profile matchups further reinforced the stadium’s media value. LG Twins remained in championship contention throughout 2025, while series against traditional powerhouses such as Hanwha, Samsung, and Doosan consistently drew elevated interest. These matchups transformed regular-season games into major events, maintaining strong television ratings and packed stands—an ideal environment for brand exposure.
League-wide operational changes also improved the quality of the viewing experience. The introduction of the automated ball-strike system and pitch clock shortened game times and improved perceived fairness, particularly among younger audiences. Combined with team-led events, organized cheering culture, and merchandise-driven fan engagement, the stadium increasingly functioned as an evening leisure destination rather than a conventional sports venue. This shift further strengthened its appeal as a marketing platform.
These conditions have directly translated into rising demand for in-stadium media. As of January ahead of the 2026 season, all outfield fence advertising inventory at Seoul Jamsil Baseball Stadium has been fully sold.
The outfield fence is widely regarded as a benchmark stadium medium, delivering continuous exposure during home runs, base hits, fly balls, base-running sequences, and defensive transitions. Its repeated presence in both live broadcasts and in-venue sightlines secures high visibility and strong recall.
Infield fence advertising has followed a similar trajectory. Positioned within moments of heightened tension—such as pickoff attempts and aggressive base running—the medium naturally integrates into the broadcast narrative. By January, more than 90 percent of infield fence inventory had already been sold, reflecting advertiser confidence in its performance.
The most coveted asset remains the main seating area LED media. Dominating the center of broadcast frames during pitcher-batter confrontations, this format delivers sustained, frontal exposure with minimal visual clutter. Its LED structure allows for flexible creative rotation, making it particularly attractive to brands seeking dynamic messaging aligned with game flow. Advertising agencies and brand marketers have shown strong interest in securing these placements ahead of the upcoming season.
Within the advertising industry, Seoul Jamsil Baseball Stadium is increasingly viewed not merely as a high-traffic venue but as a content-integrated media platform. Unlike digital or mobile advertising, stadium media benefits from prolonged attention spans and emotional alignment with live action. Brands appear at moments when audience focus peaks, generating impact that extends beyond simple impression counts.
As the 2026 season approaches, Seoul Jamsil Baseball Stadium stands as a venue that has proven both its ability to draw crowds and to deliver measurable media value. Building on the momentum of the 2025 season, industry observers expect Seoul Jamsil Baseball Stadium to remain the barometer of KBO League popularity and the most reliable stage for sports advertising and marketing in Korea.