Both are premier Florida manatee spots, but the access rules run opposite to each other. At Blue Spring State Park, near Orlando, swimming closes each winter (roughly November–March) so visitors watch several hundred manatees from a boardwalk instead, then the run reopens to swimmers once the manatees disperse for summer. At Three Sisters Springs in Crystal River, it’s the reverse: this is one of the only places in the country where swimming with wild manatees is legal, but only on a permitted boat tour launching from Kings Bay — you cannot walk in from the land-side boardwalk.
Pick Blue Spring if: you want a big-crowd wildlife spectacle to watch from dry land, or a swimming spring in summer. Pick Three Sisters if: you specifically want to be in the water near manatees — just book a boat tour, not a walk-up visit.
They sit about 76 miles apart, which makes doing both in one trip realistic. Here is how they actually differ.
| Blue Spring State Park | Three Sisters Springs | |
|---|---|---|
| Our score | 9 / 10 | 8.8 / 10 |
| Entry fee | $6 / vehicle | Boardwalk ~$12 (tours separate) |
| Hours | 8am – sunset | 8:30am – 4:30pm (refuge) |
| Magnitude | 1st magnitude | Spring group in Kings Bay |
| Nearest town | Orange City | Crystal River |
| Best for | Florida's greatest manatee spectacle | The only legal wild-manatee swim in America |
| Good for | Family-Friendly, Kayaking, Manatees, Snorkeling, Swimming | Manatees, Snorkeling |
| When to go | January is the single best month for manatee numbers — a hard cold front can bring hundreds. November through mid-March generally, but the coldest mornings are when it's worth the early alarm. June through September for swimming the run, when it's open and the crowds are lighter than winter's manatee rush. | Mid-December through February, on the coldest mornings, first thing. Summer means few manatees but excellent kayaking in Kings Bay. |
| Current conditions | Open · summer swim season; manatee closures return in fall | Summer: fewer manatees, kayak-friendly bay · winter closures apply |
Our honest verdict
Choose Blue Spring for the more reliable, boardwalk-based manatee viewing experience with real numbers behind it (a record 932-manatee morning in January 2024) and no boat required. Choose Three Sisters if you specifically want an in-water swim near manatees — but understand it requires a guided tour (no land access), typically $70-90/person, and winter tours actually go to Kings Bay rather than into the roped-off springs themselves.
Blue Spring manatee counts verified via Florida State Parks and NPR reporting; Three Sisters access rules verified via crystalriverfl.org.
Blue Spring State Park
From roughly November through March, hundreds of manatees crowd into Blue Spring's warm run to escape the cold St. Johns River — counts in recent winters have topped 700 on cold mornings. The boardwalk view of that gathering is one of the best wildlife spectacles in…
Local tip: Get there before 8am if manatee season is the plan. Multiple families have reported waiting 30+ minutes just to get through the gate by mid-morning, and the lot fills not long after — arrive at opening or you'll be standing in a line of cars instead of on the boardwalk. There's a playground right near the parking lot, which is either a blessing or a curse depending on how badly your kids want to see manatees first — ours would happily get distracted there before we'd even reached the water. Worth knowing: the boardwalk is genuinely great for kids even without manatees, since the fish alone tend to hold their attention. The historic Thursby House has a porch with rocking chairs that's a nice spot for a parent to sit while the kids run the front lawn — small thing, but it's there if you need five minutes.
Full guide, fees & map →Three Sisters Springs
Three Sisters is the postcard: an impossibly blue spring pocket inside Crystal River National Wildlife Refuge where manatees pack in by the dozens on cold winter days. Crystal River is the only place in the United States where swimming with wild manatees is legal. The critical…
Local tip: Book a small-group tour for the first launch of a cold January morning — fewer people, more manatees, glassier water. Photograph from the boardwalk in afternoon light. Book with a guide who gets repeat, specific praise in reviews rather than just picking the first tour that comes up — reviewers name individual guides often enough that it's worth a quick search for who's currently well-regarded before you commit.
Full guide, fees & map →