Diving and snorkelling. This is the reason most people come. The reefs are in relatively good health, the water clarity is exceptional, and the marine life includes nearly everything you could want to see: reef sharks, hammerheads, mantas, whale sharks, sea turtles, eagle rays, and more varieties of reef fish than you'll ever catalogue. Even the snorkelling straight off a resort beach can be stunning — the house reefs of many resorts are genuinely world-class. Ari Atoll is particularly celebrated for whale sharks, which are reliably spotted year-round.
Hanifaru Bay, Baa Atoll. A UNESCO Biosphere Reserve and one of the few places in the world where you can snorkel alongside hundreds of manta rays during feeding aggregations. Goes off between June and November. Numbers and access are regulated; book through a licensed operator.
Staying overwater. About two-thirds of the world's overwater bungalows are in the Maldives. The appeal is real: waking up above a turquoise lagoon, stepping directly into the ocean from your deck, watching fish pass beneath a glass floor panel. It's expensive, it's worth it once.
Malé. Most visitors rush through the capital on their way to a resort, which is a shame. Malé is chaotic, colourful, impossibly dense, and genuinely interesting. The Grand Friday Mosque (Masjid Al-Sultan Muhammad Thakurufaanu Al-A'azam) is worth the visit, the fish market on the waterfront is lively at dawn, and the streets of the old town have more character than the resort bubble. Budget a day.
Guesthouse islands. The growth of locally owned guesthouses on inhabited islands has opened up a much cheaper and more culturally engaging way to visit. Places like Maafushi, Dhigurah, and Ukulhas offer guesthouses from US$50–100 a night with day trips to snorkel spots and sandbanks. You won't have a pool bar, but you'll actually see how Maldivians live.
Liveaboard diving. If diving is the point, a liveaboard safari boat lets you reach sites far from any resort, dive four or five times a day, and cover multiple atolls in a week. Safari trips require advance booking and permits for outer atolls. The experience — anchoring off remote thilas with no other boats in sight — is hard to match.