The Siam Ballroom at Lancaster Bangkok stands as a premier venue for meetings and events, offering an unparalleled blend of elegance and functionality. Spanning 210 square meters, this magnificent ballroom is designed to accommodate up to 250 delegates for cocktail receptions or 150 guests for lavish dinners, making it ideal for high-profile conferences, product launches, and sophisticated weddings. Its double-height ceiling and dramatic, customizable lighting create a breathtaking ambiance, while advanced audiovisual equipment—including a high-powered LCD projector and a stage-to-ceiling screen—ensures every event can be delivered with clarity and impact. The Siam Ballroom’s spacious layout is complemented by natural daylight and a dedicated pre-function area, providing a seamless flow for networking and socializing. Invitees will appreciate the personalized service from Lancaster’s experienced event team, who are committed to making every detail flawless, from tailored menus to bespoke staging and décor.

Booking a meeting at the Siam Ballroom also means indulging in Lancaster Bangkok’s exceptional culinary offerings. Invitees can enjoy a diverse range of dining options, from gourmet international buffets at Siam Brasserie to refined poolside cocktails and healthy superfood selections at the High Bar. The hotel’s wellness facilities, including a state-of-the-art gym and tranquil spa, offer perfect opportunities for relaxation and rejuvenation between sessions. Conveniently located near major transport links and Bangkok’s vibrant business districts, Lancaster Bangkok ensures ease of access for all. With its sophisticated setting, comprehensive amenities, and dedicated service, the Siam Ballroom delivers a compelling events experience whether it is being used for productivity, or for celebrating memorable occasions in the heart of Bangkok.