Here are well-known hotels in Singapore that offer top-floor/penthouse or signature suites with panoramic views — short notes on the suite type, the view, and a reliable source you can check or book through.

• Marina Bay Sands — Paiza / Presidential / Chairman / Sky Residence: iconic top-tier suites with floor-to-ceiling windows and sweeping Marina Bay, Gardens by the Bay and city-skyline views; Paiza Sky Residence offers exclusive access and high‑floor services. (marinabaysands.com)

• The Ritz‑Carlton, Millenia Singapore — Ritz Suite (top-floor/Ritz Suite): a top-floor presidential-style suite with bay/city panoramic views, 24‑hour butler service and museum-quality art. (ritzcarlton.com)

• Mandarin Oriental, Singapore — Presidential Suite: large suite with floor‑to‑ceiling windows and expansive Marina Bay / skyline views plus private balcony/terrace options. (mandarinoriental.com)

• The Fullerton Hotel & The Fullerton Bay Hotel — Presidential / Loft / Fullerton Suites: heritage and contemporary properties with highest-floor suites and verandahs/terraces offering dramatic Marina Bay, Singapore River and CBD vistas. (fullertonhotels.com)

• Fairmont Singapore (and Swissôtel The Stamford) — Presidential / Royal Suites: flagship presidential suites that advertise panoramic Marina Bay and city views from high floors. (fairmont-singapore.com)

• Four Seasons Hotel Singapore — Presidential Suite (top-floor): large suite on the upper floors overlooking Orchard Road and the city skyline. (fourseasons.com)

• InterContinental Singapore (Robertson Quay) — Penthouse Suite (top-floor): the hotel lists a “Penthouse”/Penthouse‑style suite on the top floor with riverview/panoramic views over the Singapore River. (robertsonquay.intercontinental.com)

• W Singapore – Sentosa Cove — Extreme WOW / Fantastic (top / rooftop suites): top-floor suites with private terraces, plunge pool or large balconies and panoramic marina / sea views. (marriott.com)

• Shangri‑La Hotel, Singapore — Shangri‑La / Singapore Suite (Valley Wing): exclusive Valley Wing suites and the Shangri‑La Suite offering panoramic city views and private/wellness amenities. (shangri-la.com)

• The St. Regis Singapore — Presidential Suite: opulent presidential suite with a wraparound terrace and panoramic views (Botanic Gardens/city). (asmallworld.com)

• Raffles Singapore — Sarkies & Sir Stamford Raffles Presidential Suites: historic, palatial presidential suites with private verandahs overlooking Palm Court/gardens and the hotel’s grounds. (rafflessingapore.com)

• Capella Singapore (Sentosa) — Capella & Sentosa Suites / Manors: luxury suites and manors on Sentosa with sea‑facing balconies and panoramic South China Sea views (and private villa options). (capellahotels.com)

• Andaz Singapore (Capitol) — Presidential Suite: a large top-end presidential suite with skyline and sea‑facing views (hotel lists a Presidential Suite with wide views). (kiwicollection.com)

Quick tips

• If a specific panoramic vista matters (Marina Bay vs. sea vs. Botanic Gardens vs. river), request the exact suite name or a room on the view‑facing side when you book.
• Top-floor “presidential/paiza/penthouse” inventory is very limited — book well in advance and confirm the view and any private extras (plunge pool, private lift, butler service, private check‑in).
• For the highest accuracy on availability and live rates, check the hotel’s site or contact reservations directly (the citations above link to official hotel pages where the suites are described).

If you’d like, I can:

• Narrow this to the top 5 by view type (Marina Bay, sea/Sentosa, Orchard/Botanic Gardens, river, heritage), or
• Check live availability and approximate rates for your travel dates (tell me dates and number of guests and I’ll look up current options).