Sataya Reef, better known as the Dolphin House, is a large half-moon coral reef in the southern Egyptian Red Sea, about 10 km off the coast near Hamata. Resident pods of spinner dolphins hunt in the deep offshore water at night and move into its shallow, sheltered lagoon during the day to rest, which is what makes it one of the Red Sea's iconic spots to meet wild dolphins and vivid coral from the surface with just a snorkel — no deep diving required. The lagoon averages 5–10 m deep (up to about 20 m at the edges) with visibility of 20–30 m on clear days, and green sea turtles and blue-spotted ribbontail rays are regular sightings. As of 2026 the reef is still reachable only by boat — a day trip or a 2–5 night liveaboard from Hamata — and dolphin-protection rules, including limits on the number of boats, apply.
Watch large pods of resting spinner dolphins (typically 40–60, sometimes 80–100) from the surface as they shelter in the lagoon by day
A striking half-moon reef stretching roughly 5 km, its inner lagoon shielded from open-sea swell
Encounters with bigger marine life — green sea turtles and blue-spotted ribbontail rays
Colourful reef-fish communities: clownfish, triggerfish, butterflyfish and bannerfish
The signature encounter: float still and quiet on the surface and the dolphins come to you from below and alongside
Clear 20–30 m visibility and mild water make spring and autumn especially comfortable
Good to know
SafetyThis is an offshore site about 10 km out with no beach to walk back to. Always stay with a buddy and your guide, wear the provided life jacket or float, and keep track of the boat's position so you never drift away. The inner lagoon is calm, but currents around the outer reef can be strong and push you toward open sea, so stay inside the marked snorkel area.
SafetySeveral tour boats plus zodiacs and speedboats operate here, so wear brightly coloured gear, stay close to your own boat, and keep watching for approaching craft. Beginners can panic over a fogged or flooding mask — practise a good mask seal and clearing your snorkel first, and if you struggle, relax, float still to catch your breath, then raise a hand to signal the guide.
SafetyFire coral, sea urchins, stonefish and lionfish are all present and cause painful stings or cuts on contact. Don't grab or stand on the reef, and cover exposed skin with a thin suit or rashguard. Also guard against strong UV, dehydration and getting chilled after long time in the water, and consider motion-sickness tablets for the 2–2.5 hour crossing.
RulesThe reef sits in dolphin-protected waters. Do not touch, feed or chase the dolphins, enter the water quietly, and respect the limits on boat numbers and group size, your guide's instructions, and any off-limits zones. The offshore trip must be run by a licensed, eco-certified operator.
MannersThe dolphins are resting in the lagoon during daylight. Keep your distance and let them approach, don't swim into the middle of a pod or dive down to chase them, and never block their path or splash heavily. Give sea turtles the same space — no touching or feeding.
SeasonThe best windows are March–May and September–November, with water around 22–30°C year-round. Midsummer midday is not recommended because of extreme heat and sun, while December–February water is cooler and a wetsuit helps. Windy days can cancel the offshore trip, and dolphins sometimes leave the lagoon for hours, so encounters are never guaranteed.
CautionSome operators overload boats, crowd or chase the dolphins, or run without a licence, and any '100% dolphin guarantee' is misleading since sightings can't be promised. Confirm the operator's licence and eco-certification, group size, and transparent pricing before you book — prices and departure times change, so verify the latest details.
Practical info
There is no shore access, so you reach Sataya only by boat: a day trip (about 2–2.5 hours each way) or a 2–5 night liveaboard from Hamata port, roughly 100 km south of Marsa Alam. Packages typically include gear, a guide and lunch, and spring and autumn are the most comfortable. Fares, departure times and group limits change often, so book through a licensed, eco-certified operator and confirm the latest details before you go.
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