Inside Seaside 2025: Poland’s Biggest Indoor Festival Returns to Gdańsk
The third edition of Inside Seaside, Poland’s largest indoor music festival, will take place on 8–9 November 2025 at AmberExpo in Gdańsk. In just two years, the festival has managed to establish itself as one of the most important events on the Polish and European music scene, attracting nearly 18,000 visitors in 2024.
Branded with the slogan #NadMorzemPodDachem (“by the sea, under a roof”), Inside Seaside offers the scale and atmosphere of an outdoor festival while ensuring the comfort of an indoor setting. The vast AmberExpo halls will once again be transformed into a cultural hub, featuring three stages for concerts spanning rock, indie, electronic, pop, folk, and experimental sounds. Alongside the music, audiences can expect a variety of additional attractions, including a special Radio 357 zone with live programming, silent disco and discussions, curated film screenings, art and thematic zones with exhibitions, as well as a spacious food hall offering diverse cuisine.
The 2025 lineup reflects the ambition and eclectic character of the festival. International headliners include Franz Ferdinand, Scottish indie-rock icons known for their sharp riffs and high-energy live shows; Royel Otis, the rising Australian indie-pop duo; and King Gizzard & The Lizard Wizard, who will present a unique performance in collaboration with the Polish Baltic Philharmonic Orchestra. Also joining the bill are Dutch-Turkish band Altın Gün, blending Anatolian folk with psychedelic rock; Norwegian pop sensation Sigrid; the raw post-punk energy of The Kills; UK group Deadletter; punk-inspired duo The Pill; and Liana Flores, whose music combines folk and bossa nova influences.
Polish talent is also strongly represented. The lineup includes established stars and emerging voices such as Natalia Przybysz, Fisz Emade Tworzywo, Baasch, Ofelia, Pink Freud, YANA, Matylda/Łukasiewicz, Marcin Masecki & Boleros, Seweryn z zespołem, Metro, Cinnamon Gum, and Kosmonauci. This balance of international names and homegrown talent has been one of the festival’s defining features since its inception.
Tickets are already available, with two-day passes starting at 499 PLN and discounted to 449 PLN for patrons of Radio 357. From September, prices will rise to 599 PLN / 549 PLN. One-day tickets are also available in limited numbers, priced between 299–349 PLN. Tickets can be purchased through Eventim and the official festival website. On-site, passes are exchanged for wristbands, and amenities include lockers, food and drink outlets, and water refill stations.
Launched in 2023, Inside Seaside has rapidly grown in both scale and reputation. The 2024 edition drew close to 18,000 people over two days, expanding beyond live music to include cinema, exhibitions, and interactive cultural programming. Organizers expect the 2025 event to surpass those numbers, thanks to a stronger lineup, broader cultural offer, and continued enthusiasm from both Polish and international audiences.
AmberExpo, the venue for the festival, is easily accessible by public transport, including buses, trams, and SKM trains, and has designated parking areas nearby. The festival is open to audiences of all ages, though minors must be accompanied by an adult. Accessibility is an important part of its design, with ramps, adapted facilities, and reserved parking available for people with disabilities. Festival days begin in the afternoon and extend until around two in the morning, offering a full schedule of concerts and cultural activities.
With its indoor format, wide-ranging lineup, and steadily growing audience, Inside Seaside 2025 is poised to confirm its reputation as Poland’s leading indoor festival and one of the most ambitious cultural gatherings in Central Europe. For two days in November, Gdańsk will once again host a vibrant meeting point for music, culture, and community, under one roof and by the sea.
