To encourage cross-sectoral partnerships that integrate sustainable ecosystems, fisheries, and health, MOMENTUM Country and Global Leadership partnered with the REFRESH project to integrate a youth-friendly, gender-transformative strategy aiming to advance positive youth development and promote uptake and accessibility of adolescent and youth sexual and reproductive health (AYSRH) and FP services in fishing communities around Lake Malawi. This brief details the collaborative, participatory approach as well as lessons learned from these critical efforts for the field of population, environment, and development (PED).