IslandCost of TripAttractionsSentosa$2 private car/ taxi or $15 per adult, $10 per child (cable car) or $25 Annual MembershipUniversal Studios, S.E.A. aquarium, beach resorts, golf courses, wildlifePulau Ubin$8 return boat rideMangroves, Chek Jawa wetlands, Ketam Quarry, bike trailsKusu Island$15 return ferry ride, $12 for childrenTemples, tortoise sanctuary, annual festivalsSt. John's Island$15 return ferry ride, $12 for childrenSelf guided hiking trails, unique native flora and faunaLazarus Island & Pulau Seringat$15 return ferry ride, $12 for childrenPristine beach known to have a smaller crowdSisters' Island$200 for round trip boat charterBest marine life on the Island Sentosa Sentosa is one of the most visited islands by both locals and tourists for its resorts and entertainment attractions. This island has no shortage of activities from the unbelievable SEA aquarium to Universal Studios. The island also has some of Singapore's best beaches like...