Galle or Phuket?

Galle's own shoreline is rock and harbour, so a beach day means a short tuk-tuk ride to the sheltered curve of Unawatuna or down to Jungle Beach below the Rumassala headland. Its strength is how close the reef pools at Dalawella and Thalpe are, where you can wade in and snorkel among turtles without booking a boat.

Phuket still has the better beaches, and far more of them. Its west coast runs from crowded Patong past broad Karon and Kata to Nai Harn between green headlands, then north to the open sands of Bang Tao and Mai Khao, and the clearest water is a longtail ride out to the islands. On both coasts the calm, safe months are roughly winter to spring.

Galle feeds you well on Sri Lankan cooking: rice and curry with many small dishes, hoppers at breakfast, kottu from the griddle and fish sharpened with goraka. The fort's courtyard cafés add good coffee, but a few days covers the range.

Phuket has more to explore. Its Hokkien and Peranakan heritage gives Phuket Town dishes you will not find elsewhere, such as peppery moo hong and morning dim sum. Around them are fiery southern curries, night markets and a layer of upmarket resort dining.

Both have a colonial-era old town, but only Galle's is a reason to make the journey. The walled fort, rebuilt by the Dutch in the 17th century, keeps its grid of veranda houses, the Dutch Reformed Church with its gravestone floor, the Maritime Museum in the old warehouses and the lighthouse, all best seen on a sunset walk along the bastions.

Phuket's history is in Phuket Town's pastel shophouses on Thalang Road, its Chinese clan houses and the tin barons' mansions. Add Wat Chalong and the Big Buddha and you have a pleasant day or two, not the main event.

The two are far apart here. Patong gives Phuket a full-scale party scene, with Bangla Road closed to traffic and lined with clubs, beer bars and cabaret until dawn, and calmer beach clubs at Bang Tao and Kamala for sunset drinks.

Galle has nothing like it. A night out means a long dinner and a drink on a rooftop or veranda inside the fort, or a few beach bars at Unawatuna in high season.

Phuket is the stronger choice outdoors, mainly for its sea and islands. Galle has a quieter list of its own: boats from Mirissa to see blue whales, beginner-friendly surf at Weligama, mangrove trips among the cinnamon islands of Koggala Lake, the Kanneliya rainforest about an hour inland and Sinharaja's endemic birds on a long day out.

From Phuket you can paddle a sea kayak into the hidden lagoons among Phang Nga Bay's limestone towers, and in the dry season boats reach the Similan Islands for some of Thailand's best diving. On land the choice is smaller, with short rainforest trails, waterfalls and a gibbon project at Khao Phra Thaeo, and in both places the heat keeps walks short.

The two are broadly level, but the outings feel quite different. From Galle you travel by road or the coastal train to towns and sites: mask workshops at Ambalangoda, Dutch Matara, the cliff shrines of Mulkirigala, or a day in Colombo.

From Phuket nearly every outing goes by boat, to busy Phi Phi or the quiet fishing villages of the Koh Yao islands, with Krabi and Ao Nang on the mainland. Either way, a lot of what is within reach is more coast.

Galle is gentle with children inside the fort, where the lanes are quiet and largely free of heavy traffic and the ramparts are a good place to roam and explore. Outside the walls it gets harder: pavements are patchy, the coast road is fast, and the steady heat and humidity tire small children quickly. During the southwest monsoon, roughly May to September, the seas are too dangerous for them to swim, so Galle suits a slow beach-and-villa stay in the dry months.\n\nPhuket is the easier family vacation, provided you pick one calm bay such as Kata, Karon or Nai Harn, with gentle shallows in the dry season, and stay put.

Its hilly roads have few pavements, so every outing means a taxi, and families tend to avoid Patong's main strip after dark. From about May to October, rip currents on the west coast make those same beaches unsafe for children, and the hotel pool or a sheltered east-coast bay becomes the place to swim.

Neither is easy, but Galle is simpler. The fort's flat, quiet lanes can be covered on foot, tuk-tuks reach the nearby beaches in minutes, and a coastal train runs to Colombo.

Phuket is a large, hilly island with its beaches spread along a winding road. The west-coast bus is infrequent and stops early, and songthaews do not link one beach to the next, so you end up paying for taxis or taking a chance on a scooter.

Phuket has more shopping. There are air-conditioned malls with international brands, a big weekend night market, tailors in the beach towns and a Sunday walking-street market on Thalang Road.

Galle's shopping is a few fort lanes of linen, handloom textiles, beeralu lace, tea and spices. It is charming and easy to browse, and the gem dealers selling sapphires and moonstones call for real caution.

Both offer good value and both have two price levels, cheap local food and transport alongside resorts that cost far more. In Galle, what you spend depends mostly on where you sleep. Guesthouses outside the walls cost little, and the restored villas inside the fort do not.

In Phuket, what you spend depends more on how much you move about, because taxis are the biggest drain. Room rates at the main beaches also rise sharply in peak season and fall in the monsoon.

Neither is a place to plan a trip around live performance. Phuket at least fills its evenings with ladyboy cabaret revues, staged Thai cultural shows and cover bands in beach bars.

Galle offers occasional Kandyan dance and drumming shows put on in hotels, and the coast's mask-dance tradition is better seen in Ambalangoda. Anything more serious means a trip to Colombo.

Both are places to slow down, and neither has a bathing tradition. Phuket has more choice: Thai massage on every beach road, resort spas with jungle pavilions, detox and yoga retreats, and the Muay Thai camps in Chalong for anyone who would rather train hard.

Galle's draw is Ayurveda. Residential retreats offer doctors' consultations, herbal treatments and set diets over a week or more, and there are yoga studios around Unawatuna and Thalpe.