Sheraton Sanya Yalong Bay Resort — A Big Lagoon Pool on Yalong Bay's White Sand, Kids Splash All Day

Here's what makes families pick this place — the big lagoon pool. It winds through several connected sections, with slides, a shallow children's area and little channels to paddle around in, and there are five pools in total spread through the lush tropical gardens. Reviewers say the kids barely want to get out, and because the pools sit right by the beach you can swap between pool and sea in a single day. The resort is a low-rise property tucked among palms and greenery, so it feels more like staying in a garden than in a hotel tower.

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The location is a real strength too. The resort sits within the Yalong Bay National Resort District (亚龙湾国家旅游度假区), right on a fine white-sand crescent of around 8 kilometres that many rate as Sanya's best swimming beach — clear turquoise water and gentle waves, easy and reassuring for a swim or for taking the kids in. The best part: it's about a 5-minute walk to the Yalong Bay Tropical Paradise Forest Park (亚龙湾热带天堂森林公园), with high viewpoints over the bay and a jungle suspension bridge made famous by a Chinese film. Yalong Bay Outlets are a 5-minute drive, the Yalong Bay HSR station about 15 minutes, and downtown Sanya is roughly 25–30 km away (a 30–40 minute drive). It's a calm, upmarket resort strip with big-brand neighbours — the Ritz-Carlton, St. Regis, Hilton and Marriott are all along the bay.

On the rooms, the resort has ~511 rooms, suites and villas (including 49 suites and 5 villas). Most are spacious, in an easygoing tropical-resort style, and many have a balcony looking out over the sea, the gardens, or the mountains/golf course. Reviewers praise comfortable beds and clean rooms. Facilities are a proper family line-up: five outdoor pools, a private beach, a spa, a gym and eight restaurants and bars (international and Chinese dining, a poolside spot and a bar among them), plus activities and plenty of space for kids to run around. All in, it's a complete resort for a longer stay where you can have a fun day as a family without leaving the grounds.

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But let me pass on the gripes honestly, gathered from real guest reviews, because they're real and worth knowing first. The main one: this is one of Yalong Bay's older resorts, and some reviews note that certain rooms or areas feel dated compared with the newer resorts over at Haitang Bay — if you want a brand-new room you may notice it. The second: the grounds are big, so it's a fair walk from your room to the pools, the beach or some of the restaurants (buggies run, but you may wait at busy times). The third: over holidays and high season it gets busy, so the pools and beach can be crowded, and in-house food runs pricey versus eating out — so you might mix in a few meals outside to save.

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Standard rates start at around ~¥900 (฿4,500) per night for a standard room, with a typical range of roughly ฿4,500–9,000 depending on season, room type and view — ocean-view rooms, suites and villas cost noticeably more. China's long holidays — Chinese New Year and Golden Week (October 1–7) — see Sanya resort rates climb 2–3× and rooms fill fast, since this is exactly when Chinese travellers head to Hainan to escape the winter cold. To get a good rate, book several weeks ahead, avoid the peak windows if you can, and take a free-cancellation rate to be safe. One genuine plus: Hainan offers visa-free entry (currently 30 days) for many nationalities, including Thai passport-holders, which makes a Sanya trip far easier (policy can change — check before you travel).

The honest summary, friend to friend: Sheraton Sanya Yalong Bay Resort is for travellers who are bringing the family to the beach and want a beachfront resort on Sanya's best swimming beach, with a big lagoon pool for the kids and a shady tropical setting — at a price gentler than the grande-dame resorts on the same bay. If you're here for a longer stay with the kids and want a resort that covers pools, beach, restaurants and room to run around, it delivers. But if you'd rather have a newer resort with a full-on waterpark and aquarium on site, compare it against Atlantis Sanya or Grand Hyatt Sanya Haitang Bay over on Haitang Bay in our list first; and if you want the top butler-service luxury on the same Yalong Bay, The Ritz-Carlton Sanya, Yalong Bay is also worth a look.