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Blue Grotto

Florida · about 3 km from Williston

Blue Grotto

  • Max depth30 m (98 ft)
  • CertificationOpen water / no overhead

Diving and fills

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Fills nearby

  • Fill stationBlue Grotto Dive Resort (Williston)~5 min drive (estimate)Air; nitrox (mentioned with the courses) — askRoute ↗
  • Fill stationFlorida Springs Scuba (Williston)~9 min drive (estimate)Air, nitrox, oxygen and trimix (per their SSI listing) — askRoute ↗
  • Fill stationExtreme Exposure (High Springs)~55 min drive (estimate)Air, nitrox (32 %, 50 %), O₂ (AL40) and trimix ('mix' in doubles); walk-in fills of your own tanks: askRoute ↗
All fill stations and places to stay ↓

What it looks like

All 5 videos and posts

Videos and posts

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  • FacebookVideo

    Blue Grotto Dive Resort, Williston Florida

    Open on Facebook ↗

Search for more onYouTube ↗Instagram ↗Facebook ↗

Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.

The dive

A large sinkhole with a cavern and underwater lighting. The air bell is supplied with air from the surface. It silts on contact or when finning feet-down.

According to the resort, the lower chamber (no daylight) is only for divers with cave training and equipment.
Profile and sections

A large sinkhole with a cavern and underwater lighting. The air bell is supplied with air from the surface. It silts on contact or when finning feet-down. It stays good when the rivers are high (Wet Rocks).

Practical: much used for training. Air and nitrox fills and rentals on site.

Depth and profile
Open basin to -12 m with three training platforms · upper cavern to -15 m · air bell with viewing windows at ~-9 m · lower chamber without daylight · max ~-30 m (wannadive)
Configuration
All configurations.
DPV: Not DPV-suitable (estimate)
Small sinkhole; a scooter makes no sense.
Who can dive where
  • CaveAt least Open water / no overhead
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 30 m (trimix or deco may be needed) · doesn't decide who may dive

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

Private dive park (Blue Grotto Dive Resort, 3852 NE 172nd Ct, Williston); daily 8:00–16:00, closed on Thanksgiving, Christmas Eve, Christmas Day and Easter. Gear up at covered picnic tables, entry via a floating dock. No reservation needed.

Plan your route ↗

Around Blue Grotto

Fills3 fill stations · nearest 0 km
  • Blue Grotto Dive Resort (Williston)

    ~5 min drive (estimate)

    3852 NE 172nd Ct, Williston, FL 32696

    Air; nitrox (mentioned with the courses) — ask

    Daily 8:00–16:00 (closed Thanksgiving, Christmas Eve, Christmas Day and Easter)

    Fill station and full rentals at the Blue Grotto; mainly for divers diving there.

  • Florida Springs Scuba (Williston)

    ~9 min drive (estimate)

    127 E Noble Ave, Williston, FL 32696

    Air, nitrox, oxygen and trimix (per their SSI listing) — ask

    Wed–Sun 8:00–17:00 (closed Mon and Tue)

    SSI dive centre in the middle of Williston, within three miles of Blue Grotto and Devil's Den. Guided dives and training at springs across the area, from Try Scuba to full cave and Extended Range (sidemount, doubles or rebreather). Park behind the shop, entering from 1st Street.

  • Extreme Exposure (High Springs)

    ~55 min drive (estimate)

    18481 High Springs Main Street, High Springs, FL 32643

    Air, nitrox (32 %, 50 %), O₂ (AL40) and trimix ('mix' in doubles); walk-in fills of your own tanks: ask

    Daily 8:00–18:00

    Tech and cave shop since 1995. Rents singles, stages and doubles (steel/alu, air, nitrox or mix), regulators, backplate/wing, lights and scooters; training.

Where to sleepAround Williston on Booking.com ↗

The links to Booking.com are affiliate links: if you book through one, DiveTripPlanner earns a small commission. You pay the same.

Caves nearby6 within 55 km

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Sources, sharing and disclaimer

Sources

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Florida State Parks, FWC, Suwannee and Walton County, Ginnie Springs, dive centres in High Springs, Fort White, Luraville and Marianna, NSS-CDS, USGS, wannadive.net, Divernet, Wet Rocks Diving, news; Sept 2026). Pins mostly from the USGS spring records (NWIS), compared with Wikipedia and wannadive; Orange Grove Sink from Grottocenter; ~ = estimate. Paradise Springs, Hart Springs, Bonnet Spring and Weeki Wachee were added in Oct 2026 (DivingFL, Hart Springs Park, Visit Gilchrist County, Extreme Exposure, Bay News 9, Wikipedia); Ginnie Springs Outdoors, dive manager (message, Oct 2026). Cherokee Sink was added in Nov 2026 (Visit Wakulla, Visit Tallahassee, America's State Parks, GUE/WKPP, dive reports on ScubaBoard; pin from OpenStreetMap). Rules, prices and access change — check locally.