I don’t really see why Hopkins is on your list. It attracts a lot of pre-med aspirants, and earning a committee letter there to apply to med school is highly competitive. You’d still be in the middle of that, as a bio major aspiring to PhD programs. Plus, it doesn’t have the sports-spirit culture you want either… nor does Baltimore have a “fun college town” reputation.
Since you’re looking at some west coast schools and don’t have budget constraints, you might check out UCSB’s College of Creative Studies, which is a small program, often described as being like “grad school for undergrads,” within the larger university. The CCS Biology major is specifically geared toward students seeking a career in research. You’d get a research-heavy education from day one… but you’d also be on a fun and lively campus with sports, beach, etc. CCS requires an addition application in addition to the UC app.
Also, consider the Claremont Colleges. They’re small, but the whole consortium blends together and has more than 7000 undergrads combined. Harvey Mudd is the STEM school with a Caltech-like STEM core, but it’s undergrad-focused unlike Caltech. Scripps, the women’s college, would allow you to cross-register freely at Mudd, Pomona, CMC and Pitzer - I know several bio majors who got into tippy-top grad programs from Scripps. The 5C’s are DIII but there’s fun spectating to be had if you want it. Claremont is a cute college town but you can also get into LA on the train.
USC, Northwestern, and Duke are the most sports-spirited of the elite privates… Notre Dame would also be in this category, if you would be okay with the Catholic affiliation.
Minnesota could be another good flagship to consider. Maybe UT-Austin too.
Good luck!