What's the food culture in Koh Tao?
Koh Tao runs on a dive-boat clock, not a kitchen one. Breakfast is at 6:30am in Mae Haad before the boats leave, lunch is a Thai rice plate behind Sairee Beach when they return, and dinner, southern curry or grilled squid, comes after 8pm. Nearly every ingredient crosses from Chumphon by ferry, so plates cost more than they do on the mainland.
Koh Tao keeps the hours of its dive schools, not Thai ones. Most dive boats load at Mae Haad pier between 6:30am and 7:30am, so the roti carts and coffee counters in Mae Haad and Sairee open before 6. Zest Coffee Company has branches in both villages, and by 6:45 it is full of students in damp rash vests eating egg rolls and drinking iced lattes for about 100 to 150 baht. Lunch comes at 1pm, when the morning boats are back: a fast plate of pad kra pao, holy basil and minced pork with a crisp-edged fried egg, from the Thai-run shophouses one lane behind Sairee Beach. Dinner starts at 8pm or later, after the night-dive crews rinse their gear. At the 8 October rate of 33.685 baht to the US dollar, a 100-baht plate costs about $3, still more than in Chumphon because limes, pork and cooking gas all cross roughly 60 km of the Gulf of Thailand by ferry.
Sairee is where the restaurants are, but you can skip most of the tables on Sairee Beach itself. The beachfront fire-show bars charge around 220 baht for a green curry that tastes of packet paste and too much palm sugar, so eat on the main Sairee road instead. Su Chili cooks to whatever heat you ask for, and its massaman is thick with peanut and potato: say 'phet mak' there and you will get a curry that is very spicy. Pranee's Kitchen, a few minutes' walk south, has fed divers for years with Thai curries at roughly 100 to 150 baht.
The best lunch on the island is 995 Roasted Duck, on the main road near Sairee. It serves duck over rice or egg noodles, with lacquered skin and a broth that smells of star anise and cinnamon, and the room is small and fills with instructors once the morning boats are in. Arrive before 1pm if you want a table rather than a takeaway box.
Dinner is where southern Thai cooking comes through most clearly, with cooks from Chumphon and Surat Thani making gaeng som, a sour orange curry, and kua kling, a dry minced curry sharp with turmeric and pepper. Grilled squid from the evening stalls in Sairee is the island staple, but ask where it came from: little seafood is landed on Koh Tao itself, and most of it arrives on the same ferries as everything else; much of what sits on ice at night was frozen first. If a vendor says the squid is fresh, ask whether the rest of the order is in the freezers.
Signature dishes
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Khao mok gai
Southern Thai Muslim chicken biryani. Turmeric rice cooked with chicken thighs, topped with fried shallots and served with a sweet-sour green chilli dip; the halal stalls near Mae Haad pier sell it from late morning.
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Pla muek yang
Whole squid grilled over coconut-husk charcoal on the Sairee and Mae Haad beach barbecues. It comes out chewy and smoky, with nam jim seafood, a lime, garlic and bird's-eye chilli dipping sauce.
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Pad kra pao with khai dao
Minced pork or chicken stir-fried hard with holy basil, garlic and chilli, served over rice with a fried egg that has a runny yolk and crisp edges. The standard post-dive lunch in the Sairee back lanes.
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Gaeng som pla
A southern sour curry made with turmeric and tamarind, without coconut milk, usually with local fish and green papaya or bamboo shoot. It is thin, sharp and very hot, and you rarely see it on beachfront menus.
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Massaman curry
A rich curry of peanuts, potato, cardamom and cinnamon, usually with beef or chicken, eaten with rice at dinner. Su Chili on the main Sairee road makes a thick version and adjusts the heat to order.
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Roti kluay
Banana roti. The dough is stretched paper-thin on a griddle cart, fried in margarine around sliced banana and finished with condensed milk; the carts on the Sairee and Mae Haad roads sell it until about midnight.
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Pla kapong neung manao
Whole sea bass steamed in a fish-shaped tray with lime juice, garlic, chilli and coriander, kept hot over a burner at the table. Order it at the seafood restaurants and share it between two or three people.
Meal times
Breakfast is from 6 to 7:30am, before the dive boats leave Mae Haad, and lunch is around 1pm when the boats come back. Dinner starts at 8pm; Sairee kitchens stay busy until about 10pm, and the roti carts work until midnight.
Tipping
Thai-run shops don't expect a tip, so round up or leave 20 to 50 baht. Resort restaurants in Sairee may add a 10% service charge, so check your bill first.
Dietary notes
Vegetarians eat well in Sairee, where many menus offer tofu versions of the standards. Telling your server 'mai sai nam pla' will keep fish sauce out of a dish, though shrimp paste is already worked into most curry pastes, so curries are harder to avoid. Halal food is at the Muslim-run stalls in Mae Haad. Gluten-free eating is the toughest ask, since soy and oyster sauce go into nearly every stir-fry.
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