Great — here’s a curated list of Sri Lanka resorts and boutique hotels that are especially well suited to couples’ retreats, organized by region and with notes on why each is romantic, what couples can do there, approximate style/price level, and a few practical tips for booking and timing.

Southern coast (beaches, sunsets, private pools)

• Amanwella (Tangalle) — Ultra-luxury, highly private suites (many with plunge pools), dramatic hillside infinity pool and direct beach access; excellent for restful, romantic stays and private dining. Best for couples who want quiet luxury and seclusion. (outboundholidays.com)
• Cape Weligama (Weligama) — Luxury cliffside resort with villa-style suites and private verandahs, spectacular ocean views and sunset dining; great for couples who want contemporary design with ocean panoramas and easy access to surfing/boat trips. (resplendentceylon.com)
• Anantara Peace Haven Tangalle — Resort on a rocky outcrop with cliffside dining, an award-style spa offering couples’ treatments and private villas; good combination of activity (tours, beaches) and wellness/romance packages. (Anantara.com)
• Kahanda Kanda (near Galle) — Boutique, intimate luxury set in garden/tea-plantation style grounds; highly personalised service, villas/suites ideal for privacy and romantic dinners. Recommended when you want countryside tranquillity yet quick access to Galle’s fort. (thetimes.co.uk)

Southwest coast / Mirissa & nearby (whale-watching, beaches)

• Boutique beachfront hotels in Mirissa (e.g., smaller private villas and boutique properties) — choose a small hotel or private villa if you want beachfront privacy and easy whale-watching excursions (seasonal). Many small properties offer private dinners and couples’ spa treatments. (See regional options above for similar luxury-brand choices.) (tripadvisor.com)

Galle & Dutch Fort area (heritage romance)

• The Kandy House (Kandy, but similar intimate heritage properties are found around Galle) — heritage manor-house style, small number of suites, romantic antique interiors, mature gardens — ideal for couples seeking colonial charm and quiet intimacy. (Kandy House is in the cultural hill region; Galle’s Amangalla and boutique fort hotels offer similar historic romance.) (thetimes.co.uk)

Cultural/central highlands & nature (tea country, tranquillity)

• Jetwing Vil Uyana (near Sigiriya/midcountry) — unique eco-luxury option with private paddy-reserve habitats, great for couples who want nature, birdlife and privacy plus easy access to cultural sites like Sigiriya. (Good for a combination of wildlife/architecture exploration and secluded stays.) (resplendentceylon.com)
• Ulagalla by Uga Escapes / Uga Ulagalla (Anuradhapura/Sigiriya area) — private villas, often with private pools and countryside seclusion; excellent for romantic, off-grid-feel stays with service and private dining. (Search “Ulagalla Uga Escapes couples” for current availability.)

Why these are good for couples

• Privacy: many Sri Lanka luxury resorts offer individual villas or suites with private plunge pools and terraces — ideal for honeymooners or couples seeking seclusion. (tripadvisor.com)
• Romantic experiences: candlelit/chef’s-table dinners, sunset cliff dining, private spa treatments and couple’s Ayurvedic packages are commonly available (many properties run dedicated romance packages). (Anantara.com)
• Variety: you can mix beach time (south coast) with cultural experiences (Sigiriya, Kandy), tea-country drives and wildlife safaris — good for couples who want a mix of relaxation and discovery. (Anantara.com)

Practical tips for planning and booking

• Best times to visit: South and southwest coast (Tangalle, Galle, Mirissa, Weligama) are best from December to March for calm seas and sunshine; the central highlands are pleasant year-round but cooler. (Check exact dates for weather windows when you book.)
• Book romance packages early: resorts often sell limited “romance” or honeymoon packages (couples’ massages, private dinners). Booking 2–4 months ahead (longer in high season, Dec–Jan) gives best choice of villa/suite and private extras. (Anantara.com)
• Travel logistics: main international airport is Bandaranaike Intl (Colombo). Many southern resorts are a 2–4 hour drive from the airport; internal flights and private transfers are available if you prefer to cut travel time. (Anantara.com)
• Health & visas: US travelers typically need an Electronic Travel Authorization (ETA) before arrival — check the Sri Lanka government site for the latest rules and any vaccine or entry requirements before you book.
• Ask about dining privacy and special requests: if you want private beach dinners, in-room spa, early sunrise trips (hot-air balloon, cultural tours), request these at booking so the resort can plan.

How to choose between these options

• Ultimate privacy & minimalist luxury: Amanwella (smaller number of suites, private pools). (outboundholidays.com)
• Dramatic cliffside ocean views and modern villas: Cape Weligama. (resplendentceylon.com)
• Spa + packaged romance experiences at good value: Anantara Peace Haven Tangalle. (Anantara.com)
• Intimate, characterful boutique romance: Kahanda Kanda or heritage manor properties like The Kandy House (if you want countryside or cultural-historic charm). (thetimes.co.uk)

If you want, I can:

• Narrow this to a top 5 matched to your budget (luxury vs mid-range vs boutique)
• Build a 7–10 day couples’ itinerary (e.g., Colombo → Galle/Tangalle → Sigiriya/Kandy → back to the coast)
• Check real-time availability and current romance-package rates for specific resorts and dates (I’ll confirm live rates/availability)

Which of those would you like next — a short top-5 list by category, a sample itinerary, or live availability/pricing checks?