This lecture focus to present Eastern Africa Submarine Cable System. Liberalisation with the telecommunications sector has generated evolution of world wide web, VOIP, mobile market & integrated system solutions. It is therefore necessary an appropriate infrastructure is developed to carry the rapidly escalating traffic. The Eastern Africa Submarine Cable System may be conceived in that context. The successful implementation with the East African Boat Cable System is required to make significant contribution towards the development and provision of ICT products and services and facilitate the intra-regional and also international trade.