San Diego Oasis at Grossmont Center in La Mesa is an award-winning nonprofit serving nearly 6,000 adults aged 50 and older through research-based programs in lifelong learning, wellness, and technology education. The La Mesa campus operates from two suites—a Lifelong Learning Center and a Wellness Center—offering class catalogs that cycle monthly across disciplines ranging from current events and philosophy to fitness, nutrition, and guided autobiography, with residential programming that complements the structured care environment at Grossmont Gardens Senior Living. Membership is free to all individuals 50 and older regardless of income, with no background or affiliation requirements for enrollment. Wellness programming includes exercise groups, dance classes, and health education that parallel the movement-fitness infrastructure at Chuze Fitness in the same Grossmont Center complex. A second campus in Rancho Bernardo extends coverage to North County, and the organization's annual operating model relies on program fees, philanthropy, and a Chairman's Challenge matching-gift campaign to fund services beyond what tuition alone can sustain.