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This research proposes: (i) analyze push and pull motivations in insular marine protected areas, and (ii) determine their effects on tourists’ satisfaction, positive recommendations and loyalty in terms of returning. The study was conducted in the Galápagos Islands in Ecuador; a renowned marine protected area with a National Park being a Natural Heritage Site of Humanity by UNESCO. An exploratory (EFA) and confirmatory factor analysis (CFA), followed by a stepwise multiple regression analysis applied on a sample of 407 tourists in the Galápagos Islands showed four push and pull motivational factors in this destination: "passive marine," "active marine," "novelty and escape," and "social relations". "Passive marine" and "social relations" were the most prominent factors influencing tourist satisfaction and return intentions. Moreover, "passive marine" and "novelty and escape " highly influenced visitors’ intention to recommend and give positive feedback about this place. These findings constitute action guides for the adequate management of marine protected areas.