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The property features the Grand Ballroom, the largest pillarless ballroom in Mumbai at approximately 1,115 square metres, seating up to 900 guests banquet-style. The Imperial Boardroom accommodates 20 guests for intimate board meetings. The Pegasus and Centaurus rooms serve mid-size gatherings. Multiple pre-function foyer areas complement each space for cocktail receptions and registration zones.

The St. Regis Mumbai's outdoor terrace spaces are available for select cocktail and pre-dinner functions, particularly at the upper floors, offering views of the Mumbai skyline. These areas are weather-dependent and are typically combined with indoor ballroom access for hybrid indoor-outdoor formats. Availability and layout specifics can be confirmed directly through the Spalba enquiry portal for this property.

The St. Regis Mumbai operates an in-house catering model with multiple award-winning dining outlets informing its banquet kitchen, including Indian, Continental, Pan-Asian, and Mediterranean cuisine options. Personalised menus curated by the Executive Chef are standard for weddings and corporate banquets at this luxury Mumbai hotel venue. Alcohol is permitted; Jain and vegetarian menus are available on request and confirmed during the planning process.

The Grand Ballroom is equipped with a built-in LED wall, high-definition projection systems, a professional PA system, and dedicated high-speed fibre Wi-Fi capable of supporting large delegate counts. A dedicated in-house technical crew manages AV setup and live event support. External AV vendors may be permitted subject to prior approval from the hotel's events operations team.

The St. Regis Mumbai has 395 rooms and suites across its 30-storey tower, including Deluxe Rooms, Superior Rooms, and signature St. Regis Suites. Dedicated room-block rates for conference and wedding groups can be negotiated through the hotel's events team. Planners should confirm block availability early for peak-season events, as rooms fill quickly alongside concurrent events. Spalba's enquiry tool connects directly to the events desk.

The St. Regis Mumbai in Lower Parel is approximately 18 to 22 kilometres from Chhatrapati Shivaji Maharaj International Airport, with travel time typically ranging from 35 to 60 minutes depending on traffic. Lower Parel is a major commercial and hospitality hub in Mumbai, well connected via the Western Express Highway and Eastern Freeway. The hotel offers airport transfer services that can be arranged through the concierge.

Lower Parel railway station on the Central Line and Prabhadevi on the Mumbai Metro Line 2A and 9 network are the closest transit nodes. The hotel is accessible to differently-abled guests, with ramp access, step-free lobby entry, accessible restrooms, and lift connectivity across all event floors. Guests arriving by road benefit from a covered porch and dedicated valet parking managed by the hotel.

The St. Regis Mumbai provides multi-level valet parking for event guests, with capacity to manage large-volume arrivals during banquets and conferences. Valet is the primary parking mode at this property. For events expecting very high guest volumes, the events team recommends coordinating shuttle or transfer logistics from nearby parking facilities in advance. Parking details can be confirmed via the Spalba enquiry form.

For weddings and large MICE events at this premium Lower Parel hotel, advance booking of six to twelve months is strongly advisable, particularly for dates between October and February, which constitute the peak season in Mumbai. Corporate events and smaller boardroom meetings may be available with shorter lead times. Submitting an enquiry through Spalba initiates direct contact with the hotel's dedicated events planning team for date confirmation.

Once a planner submits an enquiry through the Spalba listing for The St. Regis Mumbai, the request is routed directly to the hotel's events and catering team. A dedicated events manager follows up typically within one business day to discuss date availability, space configuration, menu preferences, and preliminary pricing. Spalba's platform also provides access to the property's verified capacity data and, where enabled, virtual walkthrough tools.

The St. Regis Mumbai, as a Marriott International-managed property, provides fully GST-compliant tax invoices for all corporate event and banquet bookings. Corporate clients can furnish their GSTIN at the time of booking to claim applicable input tax credits. The hotel's accounts team coordinates billing documentation with the corporate event booker or their nominated finance contact prior to and following the event.

The St. Regis Mumbai assigns a dedicated wedding specialist to each booking, supporting multi-day Hindu, Christian, Muslim, and intercultural ceremonies across its ballroom and pre-function spaces. The luxury Mumbai wedding venue offering includes in-house floral and décor coordination, customised menu tastings, bridal suite access, and coordination with preferred external vendors. Planners are encouraged to request a full wedding package overview through Spalba's direct enquiry feature.

The St. Regis Mumbai regularly hosts national and international MICE conferences, product launches, and leadership summits. The Grand Ballroom supports theatre-style seating for up to 1,200 delegates. Concurrent breakout sessions can be housed across the Pegasus, Centaurus, and boardroom spaces. The hotel offers integrated delegate management, branded signage zones, business centre access, and high-bandwidth Wi-Fi across all event floors to support high-production corporate formats.

The St. Regis Mumbai is part of Marriott International's luxury portfolio, operating under the St. Regis brand founded in 1904 and renowned globally for butler service and high-format event execution. The property has received recognition across hospitality award platforms for its food and beverage, rooms, and event services. Its Marriott Bonvoy affiliation also enables corporate clients to earn and redeem loyalty points on qualifying event spends.