Here are top spa & wellness hotels in Colombo (city) with a short note on what makes each one stand out:

1. Shangri‑La, Colombo — CHI, The Spa: large luxury spa offering Asian- and Ceylon‑inspired treatments, multiple treatment rooms and signature CHI journeys; excellent for a high‑end, full‑service spa experience. (shangri-la.com)

2. The Kingsbury, Colombo — Senses Spa: full menu (Ayurveda options, hydrotherapy, hot‑stone and signature rituals) plus Jacuzzi/steam facilities and packaged “wellness escape” experiences. (thekingsburyhotel.com)

3. Galle Face Hotel — Balinese Spa by Galle Face: historic seafront hotel with a well‑reviewed Balinese/Asian spa menu, couple packages and signature body rituals. (gallefacehotel.com)

4. Taj Samudra, Colombo — Taj wellness & spa facilities: long‑established five‑star hotel with a full spa and wellness offerings alongside sea‑view rooms and pool. (tajhotels.com)

5. Cinnamon Lakeside Colombo — Azmaara / lakeside spa & wellness: large hotel with a dedicated spa (aromatherapy, Ayurvedic and traditional therapies), sauna/steam and wellness‑stay packages. (cinnamonhotels.com)

6. Cinnamon Grand Colombo — Angsana/City Club Spa (on‑site): extensive treatment rooms, sauna/steam and signature packages — a popular choice for business and leisure travellers wanting an in‑house spa. (cinnamonhotels.com)

7. Jetwing Colombo Seven — Spa Seven (Frangipani Spa): boutique/urban spa with rooftop infinity pool and focused signature packages (Balinese, Ayurvedic options) — good for city stays with a contemporary feel. (jetwinghotels.com)

8. Marino Beach Hotel — Spa at Marino (operated by Tonic Lanka): seafront hotel with a well‑rated in‑house spa offering massages, scrubs, hair & facial treatments and packages. (marinobeach.com)

9. Hilton Colombo — hotel spa & wellness centre: large city hotel offering a full spa, sauna/steam and massage therapies for guests. (hilton-colombo.hotelsincolombo.org)

Quick tips

• Book popular treatments in advance (even same‑day bookings can be limited at peak times).
• If you want traditional Ayurvedic therapies, check whether the hotel has a resident Ayurvedic physician or certified Ayurvedic menu. (Several Colombo hotels list Ayurvedic options on their spa pages.) (anantara.com)

If you’d like, I can pull spa menus, current packages or approximate room rates for any of these hotels — tell me which one and I’ll fetch the latest details.