Donald Duck Bay, Similan Island 8: Snorkeling & Guide

Featured image: Sgroey, CC BY 4.0, via Wikimedia Commons.

What Donald Duck Bay is, and how it differs from Sail Rock

Donald Duck Bay sits on Island 8, the island also called Ko Similan, in Similan Islands National Park. It has a white-sand beach and calm water for swimming and snorkeling. Dive operators describe a huge rock there that looks like Donald Duck, with the famous balancing rock higher up. Sail Rock is a different thing. It is the viewpoint climb on the same island, done on foot and not in the water. Short videos often mix the two, so treat them as separate stops. The bay needs a boat, and the climb needs only sturdy footwear. Diving the site needs certification.

• Bay: swimming and snorkeling from the beach or boat
• Duck-shaped rock: a landmark you look at, from shore or water
• Sail Rock: viewpoint climb on land
• Dive site: certified divers only, off the same bay

Snorkeling at Donald Duck Bay

Snorkeling is the main draw for day-trippers. One traveler's 2018 account describes keeping to the left side of the bay. The center is kept clear for speedboats, so stay out of that lane. The same visitor found fish life modest, in an area that recovered slowly after the 2004 tsunami. Visibility changes with season and tide, so ask the crew about current before you enter the water. Wear reef-safe sun protection, because shade on the beach is limited. Do not touch or feed wildlife, and follow the park rules posted on the island.

Diving at Donald Duck Bay

Operator dive-site data lists a maximum depth of 20 m (66 ft) and an average of 10 m (33 ft). It reports mild current, overlapping-rock contour and visibility of 15–40 m (49–131 ft). Reported sightings include whitetip reef shark, hawksbill turtle, giant trevally and Andaman sweetlips. None is guaranteed. Night dives are reported to turn up lobsters and other crustaceans, which suits liveaboard guests rather than day-trippers. Operators describe it as milder than the headline Similan sites. See the Similan dive-site overview to compare options. Certified divers who want more can look at Koh Bon: Manta Dive Site North of the Similan Islands. Koh Tachai: Diving, Snorkeling and Access Rules is another option. Also consider Elephant Head Rock, Similan Islands Guide and Christmas Point.

How to get there and how long you get

There is no town and no public transport on the island. Access is by tour boat only, from the Phuket or Khao Lak side. Time on site depends on the itinerary, and operators set it. Island stops such as Island 4 compete for the same schedule. Ask your operator how many minutes you get at Island 8 before booking. A short stop forces a choice between the Sail Rock climb and the bay.

Costs, park fees and season

Day-trip price depends on booking channel, boat type, included meals and park fee, and whether you snorkel or dive. A single 2018 traveler account found counter prices well below online prices, so compare channels yourself. Season window, entry fee and rules on climbing and wildlife come from the national park authority. The islands close seasonally, so check the current opening window there before you plan. Prices and hours checked November 2026.

Where to stay and base yourself

There is no lodging on the island. Base yourself on the mainland in Phuket or Khao Lak, and join a day trip from there. Overnight options are a 2D1N short trip or a liveaboard. Liveaboards suit divers who want night dives. Pick the base closest to your operator's departure pier.

Who should go and who should skip it

Go if you want an easy snorkel plus the Sail Rock viewpoint on one island. Families and non-swimmers can enjoy the beach and the climb, but the climb has exposed rock and few barriers by one traveler's account. Skip it as a dive destination if you want big-animal action, since operators call it milder than the headline sites. Avoid three mistakes. Do not swim in the speedboat lane. Do not assume Sail Rock and the bay are the same stop. Do not rely on an old price quote.