Pulau Ubin Island
Pulau Ubin is a small island located in the northeast of Singapore, bordered on the north by the Strait of Johor and separated from the main island by the port of Serangoon, and the meaning of its name is the land of granite rocks. Relative to the hills of the blue granite in it, these hills and stone quarries represent tourist attractions after they were closed in 1999, and their land is characterized by dense trees of rubber and coconut, in addition to its rich vital environment; As the coastal environment, as there is the last of the popular Singaporean villages or what is called kampung,  in addition to that there is on its territory one of the last wetland reserves in Singapore, which is called Chik Jawa,  and a visitor to this island can practice many outdoor sports Such as climbing, swimming, camping, etc.
Sentosa Island is located on the southern coast of Singapore, with an area of 5 km2, and it is the most visited island of Singapore due to its proximity to the main island of Singapore; As it can be reached in approximately ten minutes via the express train, or on foot via the bridge that connects it with the main island, and this island is distinguished by its provision of various activities for all age groups, such as the water park, the marine life park, the Universal Theme Park and the Optical Illusion Museum, In addition to restaurants, resorts, shopping complexes, and others
St. John’s Island
Saint John Island is located on the southern side of Singapore, so named because of the wrong pronunciation of its original name in the Malay language, which is Pulau Sakijang Pinera. Which means Deer Island, and as a result of the linguistic confusion, it became called St. John’s Island.  In the past, the island contained rehabilitative centers and quarantine for people with serious diseases, but now it is full of green landscapes, and the island, close to the port, contains a pure salty lake. It is a local destination for swimmers, and there is also a wildlife exhibit; Which receives visitors from all over the world, and the neighboring island of Lazuros can be reached through the pedestrian path that connects them.
Pulau Simako Island
Pulau Simako Island is about 8 km away from the main island of Singapore, towards the south, and it follows the modern western pattern in terms of its new urban division; Which was conducted in 1997 AD, and it should be noted that it was annexed to another island in 1999 AD, to be the first landfill in Singapore, except that it used waterproof barriers surrounding these dumps to isolate the exhaust from clean water, thus preserving the island’s environment rich in life Plant and animal life, in addition to the diverse marine life; Such as crabs, sea coral, starfish, and sea spiders, which visitors can enjoy the experience of walking between them within a specific path, and there are about 66 species of rare birds on Pulau Simako Island; Like the large-bellied heron, which is considered the longest bird in Singapore, with a length of up to 120 cm, but due to pressure and fear on the local environment on the island, the National Environment Agency only allows a certain number of tourists to visit this island each year.
The Sisters’ Islands are located in the south of Singapore, and they are two islands with an area of about 39,000 square meters, the largest of which is called Pulau Subar Laota, while the second island has an area of 17,000 square meters and is called Pulau Subart Circuits, and between them is a dangerous water channel with currents that cannot be swimming in. The two islands are considered gardens. Marine life is managed by the National Environment Agency, and the two islands are considered a headquarters for marine research and studies, and contain many coral reefs that are a natural home for many marine organisms threatened with extinction; Like sea horses, sponges, and oysters.
The story of naming the two islands goes back to an old folk story about two orphan sisters who lived on one of the islands, when one of the pirates decided to forcibly marry one of the two sisters, so he kidnapped her and fled with her so that the other would catch up with the pirates by sea in the midst of a severe storm that sank in the middle, so the kidnapped sister caught her jumping in the sea and drowned in it with Her sister, and the next morning, the residents were surprised that there were two islands where these two sisters drowned.
The island of Koso is located in the south of Singapore, about 5.6 km away from the main island, and is known as Pulau Timbacol. Which means turtle in the Chinese language, and this name dates back to a heritage story that says that a giant turtle rescued sailors, one of them Chinese and the other Malawian, after their ship crashed, so that the turtle became the island, so this island is considered a religious shrine for the Chinese and Malawians; Between September and November, or what is known as the annual Koso season, many activities can be practiced on this island; Like swimming in its salt lakes or snorkeling, but it can be visited for a day because it is not allowed to stay or camp on the island
Pulau Hanto Island
Pulau Hanto Island is located in the south of Singapore. It consists of two small islands: Pulau Hanto Kechali and Pulau Hantu Pissar, with an area of about 126,000 square meters. The meaning of its name is the ghost in the Malay language, and its name is due to a heritage story that says That the spirits of ancient Malawian warriors who were killed while defending the island are still roaming around the island, and multiple activities can be practiced on this island; Such as surface diving in which you can see turtles and sharks, or deep diving that enables the visitor to see coral reefs rich in clown fish, sea slugs, eel, and large turtles, and it is possible to walk between the two islands when the sea is in the state of islands, or camping in designated parks.