When the Cotai project's first phase opened in 2011. The property offered around 2,200 hotel rooms comprising the Galaxy Macau hotel tower, complete with casino and entertainment areas, as well as two hotel partners, the Japanese-owned
Hotel Okura and the Singapore-operated
Banyan Tree Hotel. On 26 April 2012, Galaxy Macau announced that
JW Marriott and
Ritz-Carlton hotels would be added to the Cotai resort. Galaxy's Chief Financial Officer Robert Drake said it would start construction of the two hotels at the end of 2013 and begin operations gradually from 2016 through 2018. According to a presentation released by Galaxy Entertainment, the total investment for Galaxy Phase 2 was estimated to be 16 billion HKD, with construction completion scheduled for mid-2015. Phase 2 would consist of of new resort space, additional rooms across the five hotels, and an increased casino table count of up to 500. Phase 2 was eventually opened on 27 May 2015. As part of its Phase 3 expansion, a large-scale 16,000-seat arena named Galaxy Arena, a 650-seat auditorium, 40,000 square metres of MICE space, and a 700-room
Andaz hotel was completed in the second half of 2021. The expansion, named Galaxy International Convention Centre (GICC), is built adjacent to
Macau Light Rapid Transit's Cotai West Station. Announced on 1 March 2021, Galaxy Macau had signed an agreement with
Accor (
Raffles Hotels & Resorts) to bring the Raffles brand to the resort. The 450-room Raffles at Galaxy Macau is housed in an all-new exclusive all-suite tower as part of Phase 3 which was opened. Located east of the resort, the hotel now features a glass airbridge connecting the two towers on every floor. A Mediterranean-inspired garden with a glass house as its focal point, an infinity edge pool, a luxury spa, and a fine dining restaurant are also part of the hotel. Raffles at Galaxy Macau opened in the second half of 2021. The 93-room luxury Capella at Galaxy Macau hotel opened in August 2025. Phase 4 of the expansion, which will include multiple new-to-Macau luxury hotel brands, a 5000-seat theater, and a new casino. As of 2025, the Phase 4 structures have been completed and are being fitted out, and the complex is set to open in 2027.
Gold Leaf Cupolas There are 6 gold-covered
cupolas at the top of the two towers of Galaxy Macau. Four measure high and the other two at . The cupolas feature a laser show system which projects laser beams into the sky every 15 minutes. It is claimed to be the largest laser show in the world and is visible across Macau. The laser show ends abruptly at midnight.
UA Galaxy Cinemas On 15 December 2011, Galaxy Macau opened UA Galaxy Cinemas & East Square. ==Hotels in Galaxy Macau==