Great choice — Sri Lanka has a variety of beach settings that work wonderfully for honeymoons: romantic sunsets, private coves, calm lagoon waters, surf bays and luxury resorts. Below are the best beach areas for honeymoon stays, why each is special, the ideal time to visit, and a few example resorts or types of places to book.

Top beaches (why they’re great for honeymoons)

• Mirissa (south coast) — small crescent bay with golden sand, iconic Coconut Tree Hill sunsets, and popular whale‑watching trips for a memorable romantic excursion. Good mix of boutique luxury and relaxed beachfront cafés. (en.Wikipedia.org)
• Unawatuna / Galle coast — sheltered horseshoe bay with calm swimming, coral snorkeling, and easy access to Galle Fort (great for a half‑day cultural outing). Very convenient if you want beaches plus heritage. (fliptripholidays.in)
• Tangalle / Goyambokka (southern coves) — quieter, more private beaches and coves (some are ranked among top world beaches). Ideal if you want seclusion, high‑end privacy and resort spa time. (en.Wikipedia.org)
• Bentota / Induruwa (south‑west) — long sandy stretches with good hotel infrastructure, water sports, river safaris and easy transfers from Colombo—good for couples who want activities plus comfort. (honeymoonguidesrilanka.com)
• Pasikudah / Kalkudah (east coast) — very shallow, glassy lagoon waters perfect for long, lazy swims and romantic wading; quieter than south in high season. (Ceylonlanka.info)
• Nilaveli / Marble Beach & Trincomalee (north‑east) — powdery white sand and turquoise water; excellent if you want an almost “Maldives‑like” feel without the Maldives. (pocketwanderings.com)
• Hiriketiya (southern bay near Dickwella) — small, sheltered bay with gentle surf and a relaxed café scene — great if you want a boho/laid‑back honeymoon with easy beach strolls. (Ceylonlanka.info)
• Arugam Bay (east coast) — world‑class surf and chilled surf‑village vibe; pick this only if you want surf, relaxed nightlife and a laid‑back atmosphere. (pocketwanderings.com)

Best time to visit (monsoon considerations)

• South & west coast (Mirissa, Unawatuna, Bentota, Tangalle, Hiriketiya): best from November through April (drier seas and calm swimming).
• East & north‑east coast (Arugam Bay, Pasikudah, Nilaveli/Trincomalee): best from May through October.
  (These timings reflect Sri Lanka’s two monsoon patterns — plan your route to follow the dry coast for your travel dates). (thetimes.co.uk)

What to pick based on honeymoon style

• Luxury & privacy: Tangalle (Amanwella area, Anantara/Tangalle coves) or boutique villas with private plunge pools. (rofi.lk)
• Beach + culture day trips: Unawatuna / Galle (easy visit to Galle Fort, boutique guesthouses). (fliptripholidays.in)
• Water activities (snorkel/sea life): Hikkaduwa, Nilaveli/Marble Beach, Mirissa (whale watching), Pasikudah (calm snorkeling). (pocketwanderings.com)
• Surf & chilled vibes: Arugam Bay or Hiriketiya (depends whether you want big surf or gentler waves). (pocketwanderings.com)

Sample resorts & stay ideas (book early for peak season)

• Mirissa: boutique beach villas and small luxury hotels near Coconut Tree Hill (many offer private dinners on the sand). (fliptripholidays.in)
• Tangalle / Goyambokka: Anantara Tangalle (luxury clifftop/ cove property) and smaller beachfront villas for privacy. (honeymoonguidesrilanka.com)
• Pasikudah: low‑rise resorts lining the lagoon—excellent for long, shallow swims and sunset dinners. (Ceylonlanka.info)
• Bentota / Induruwa: established resort hotels with spa packages and water sports—good for couples who want activity options. (honeymoonguidesrilanka.com)

Practical tips

• Combine two coasts if you have 10+ days (for example south coast Mirissa/Unawatuna + a few nights on east coast Pasikudah/Arugam Bay to avoid monsoon rain). (thetimes.co.uk)
• Airport transfers: if short on time, stay on the west/southwest (Negombo or Bentota) for faster transfers from Colombo; Tangalle and the east take longer transfers. (thetimes.co.uk)
• Book romantic extras in advance (private beach dinners, couples’ spa packages, whale‑watching boat trips) and check cancellation policies around monsoon season.
• If you want near‑guaranteed calm water for wading and photos, prefer Pasikudah/Kalkudah or Nilaveli in their dry months; for dramatic sunsets and whale trips pick Mirissa in the November–April window. (Ceylonlanka.info)

If you’d like, I can:

• Suggest a 7–10 day honeymoon itinerary that mixes beaches + a cultural stop (Galle or Kandy), or
• Find specific hotels in one or two of these areas for your travel dates (I’ll check availability and rates).

Which style do you prefer (ultra‑luxury, boutique/private villa, surf/active, or chill‑and‑relax)?