Puget Sound was my first thought too. It’s a(n) LAC with a strong business program, which is somewhat unusual. It’s not super close to surfing, though, unless you want to ride freighter waves Freighter Wave Surf Locations on Puget Sound
Salve Regina in Rhode Island makes several lists of good surfing schools, and it’s not too far from New England skiing… and the department of business and economics has several undergrad business majors.
Sounds like you’d like to be close to your family, so it would help to know what state, or at least what region, you are from.