Blue Grotto Dive Resort, Williston Florida

Blue Grotto Dive Resort, Williston Florida

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"No wind, no waves, and visibility forever" - Jacques Cousteau after diving a Florida Spring. Water temperatures are a constant 72° F year-round.

Come to Blue Grotto and you will experience first hand what Jacques Cousteau himself discovered about diving the Florida Springs. Blue Grotto in Williston is home to the largest accessible underwater cavern in north-central Florida. Sport divers can reach depths of 60 feet while still keeping the entrance clearly in sight. It's one of just four sites in the region where you only need an Open Water

08/04/2026

NO BUDDY? NO PROBLEM

■ Our highly experienced divemasters and instructors can show you the things 90% of visiting divers miss.

■ After diving Blue Grotto, we can also take you to nearby Devil’s Den. It would be a shame to come this far and not dive these two equally exciting but totally different sites.

■ We can also guide couples, buddies and small groups.

07/31/2026

BE CAREFUL WHAT YOU WISH FOR...

For the past several months, we've been hoping for enough rain to end the drought and restore Blue Grotto's water level. Yesterday afternoon, we got exactly what we asked for. The skies opened up, and it poured for more than two hours.

When we checked the water afterward, the Grotto had turned into one giant mud puddle. Not just poor visibility—no visibility.

The last time this happened, Blue Grotto was forced to close for several weeks. Fortunately, this time was different.

The heavy rain also brought a dramatic increase in groundwater flow, flushing out most of the sediment overnight.

Conditions aren't quite back to normal yet, but they're improving rapidly. The good news is that Blue Grotto will be open this weekend after all.

07/28/2026

STRESS-FREE DIVING
Here are the things you WON’T experience when diving Blue Grotto.
■ Wind
■ Waves
■ Surf
■ Surge
■ Currents
■ Rocking decks
■ Motion sickness
■ Predators

07/21/2026

“NO WIND, NO WAVES, VISIBITIY…FOREVER”

■ This is how Jacques Cousteau described Florida’s freshwater springs.

■ Why not experience the wonder for yourself?

07/14/2026

SALT-FREE DIVING
■ When diving at Blue Grotto, you will never have to rinse salt from your equipment afterward.
■ In fact, our water is so pure, it is actually good for your gear.

07/07/2026

DON’T TAKE CHANCES

Bringing a group of six or more? Don’t assume that an empty pavilion will be available when you arrive — even if you’ve never had a problem before.

■ Pavilion reservations are free

■ You can always cancel later if plans change

■ Reserving ahead guarantees your group has a place to gather, gear up and relax

Why risk it? Call during normal business hours and reserve a pavilion for your next visit.

06/30/2026

RESTAURANT QUALITY FOOD
Served hot every weekend
■ Professionally prepared
■ A new menu every weekend
■ Not your normal food truck offerings

06/23/2026

TAKE IT IN STRIDE

■ Thanks to our floating dock, Blue Grotto is the only site in north-central Florida where students can practice this essential skill year-round — no matter the water level.

■ It’s one of several reasons instructors keep choosing Blue Grotto for open water training, along with our classroom facilities, training pool and on-site accommodations.

If you already teach here, you already know why it works.

06/16/2026

WHY BE COLD?

■ Don’t assume that, just because we are in Florida, the water is warm.

■ While 72° F may be room temperature in air, in water it saps heat from your body faster than 40° F air would.

■ Most divers find they need at least a full-length, 5 mm wetsuit to be comfortable.

Why invest the time, money and effort to dive the springs only to be cold and miserable? Remember that if you don’t already own a suitable wetsuit, you can always rent one from us.

06/09/2026

NO GEAR? NO PROBLEM.

Traveling light? Forgot something at home? We’ve got you covered.

■ Our full-service rental department has everything you need — including regulators, BCs, wetsuits, dive lights and computers.

■ Planning to dive nearby Devil's Den after you dive Blue Grotto? Use the same rental gear at both locations and avoid paying for equipment rental twice.

Simple. Convenient. Ready when you are.

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Location

Telephone

Address


3852 NE 172nd Court
Williston, FL
32696

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm
Saturday 8am - 4pm
Sunday 8am - 4pm