Here are well-regarded hotels in Colombo that are known for top-rated, in-house restaurants — with the standout restaurant(s) and why they’re recommended. I’ve included official pages and recent award/review citations so you can check menus, hours and make reservations.

• Cinnamon Grand Colombo — standout restaurants: Nuga Gama (themed “village” Sri Lankan dining) and The Lagoon (seafood). Nuga Gama has won national awards for authentic Sri Lankan cuisine and Cinnamon Grand is widely praised for its multiple specialty outlets. (cinnamonhotels.com)

• Shangri‑La, Colombo — standout restaurants: Shang Palace (Chinese fine dining) and Capital Bar & Grill. Shang Palace is an award-winning themed restaurant and Shangri‑La Colombo has received multiple Sri Lanka Tourism Awards. (shangri-la.com)

• The Kingsbury, Colombo — standout restaurants: Ocean (seafood), Tenkū (Japanese/teppanyaki), Kings Steakbar. The Kingsbury markets several high-end outlets (Ocean is noted for fresh seafood and is one of the city’s top hotel dining venues). (thekingsburyhotel.com)

• Galle Face Hotel (Colombo) — standout restaurants: 1864 Limited Edition (fine dining), The Verandah (classic Ceylonese/sea views) and Firebeach (beach-club dining). The hotel’s restaurants combine heritage, ocean views and recent local awards for dining. (gallefacehotel.com)

• Taj Samudra, Colombo — standout restaurants: Ports of Call (all‑day international buffet), Golden Dragon (Chinese), Yumi (Japanese). Taj Samudra’s multi-restaurant offering is a long-standing culinary institution in Colombo. (tajhotels.com)

• Cinnamon Lakeside Colombo — standout restaurants: The Dining Room (buffet/all‑day), Long Feng (Chinese), Royal Thai. Cinnamon Lakeside is known for large, high-quality buffets and several specialty restaurants. (cinnamonhotels.com)

• Hilton Colombo — standout restaurants: Graze Kitchen (all‑day dining), Emperor’s Wok (Chinese) and SunsetBlu. Hilton Colombo offers several well-reviewed in‑hotel dining options popular with guests and locals. (hilton.com)

• Marino Beach Colombo — standout outlets: Shiwu and the hotel’s in-house buffet venues. Marino Beach has strong guest reviews for its dining and buffet offerings (good mid‑to‑upscale hotel dining option). (tripadvisor.com)

Quick tips

• Book ahead for speciality restaurants (weekends and hotel brunches fill fast).
• Check the hotel’s dining pages or call for opening hours, dress code and set‑menus (links in the citations above).
• If you want awards/“best of” lists (e.g., World Culinary Awards or Sri Lanka Tourism Awards) I can pull the most recent winners and nominees for hotel restaurants in Colombo. (worldculinaryawards.com)

If you’d like, I can

• Narrow this to a specific neighborhood (Galle Face / Fort / Kollupitiya), or
• Make reservations or check current menus/hours for any particular restaurant listed above.