Green marketing has moved from an auxiliary tool of corporate social responsibility (CSR) to a strategy that has the potential to help achieve the UN's sustainable development goals (SDGs). This paper reviews conceptual and empirical studies from the literature to show how the green marketing mix elements, namely green product, pricing, distribution, and promotion, can be effectively integrated towards the achievement of prioritized SDGs such as SDG 7, 8, 9, 12, 13, and 17 [1, 5, 9, 18]. Based on insights on greenwashing, consumer green purchase behavior, and industry sustainability communication practices, the paper highlights a gap between the rhetoric of SDG commitment and actual corporate practice [10, 12, 17]. The paper then suggests a five-step corporate approach involving materiality mapping, redesigning the marketing mix, effective communication, partnering with stakeholders, and measuring impact, which aims at aligning companies with the SDGs without falling into greenwashing traps. The paper concludes that competitive advantage from green marketing depends not on the amount of sustainability talk but on credibility, verifiability, and inclusion of stakeholders.