Looe Key is the Lower Keys' answer to the crowded Upper Keys reefs. The coral on this long spur and groove reef tops out only about 7 ft down. You need a boat, but the ride is short and the fish are thick.
Coral ridges run toward the open ocean with sand channels between them, and you float right over the top in roughly 7 to 30 ft of water. Schools of grunts, parrotfish, angelfish and butterflyfish move through the grooves. Operators report more than 150 fish species. Goliath grouper, nurse sharks, southern stingrays, eagle rays and turtles turn up on some days. Coral cover was hit hard by the 2023 heat, so ask your captain how the reef looks now.
The shallowest coral sits about 7 ft below the surface, which makes for easy viewing for confident swimmers.
The grooves drop to about 30 ft at the sand line. Rays and goliath grouper are sometimes seen here.
The reef is named for the British frigate HMS Looe, which ran aground here in 1744. The ship is long gone, so this is a name and a story, not something to swim to.
Looe Key is one of seven Mission: Iconic Reefs sites, with nursery and restoration areas on the reef. Stay clear of any marked work areas.
Colorful grazers with fused, beak-like teeth. You can hear them crunch on coral rock, and much of the white sand on tropical beaches passes through them.
Scaridae
A deep blue surgeonfish that grazes Florida reefs in roving schools. Juveniles are bright yellow and change to blue as they grow.
Acanthurus coeruleus
An electric blue and yellow angelfish with a blue crown spot on its forehead. One of the most photographed fish in the Florida Keys.
Holacanthus ciliaris
A long, silver predator that hangs motionless near the surface and watches snorkelers with curiosity. It looks fierce but rarely bothers people.
Guardian rule: Take off shiny jewelry, which can look like a fish flash.
Sphyraena barracuda
A giant grouper that can top 400 lb and gathers on Florida wrecks and ledges. Protected from harvest in US waters since 1990.
Epinephelus itajara
Yellow fish with blue or bronze stripes that hang in big, slow schools under ledges and around coral heads on Florida reefs.
Haemulon
A silver snapper with a bright yellow stripe and forked tail that schools over Florida reefs, often hovering right below snorkelers.
Ocyurus chrysurus
The turtle you are most likely to meet. Greens graze on algae over shallow reef and rest under ledges. In Hawaii they are protected and very used to snorkelers.
Spotting tip: Scan the rocky edges where waves wash over algae, and sandy cleaning stations where fish pick at their shells.
Guardian rule: Stay at least 10 ft away. Never block a turtle's path to the surface.
Chelonia mydas
Rounded coral heads covered in winding grooves that look like a brain. Common on Florida reefs and slow growing, so a big head can be centuries old.
Diploria, Pseudodiploria, Colpophyllia
Purple, lacy soft corals that sway in the current on Florida and Caribbean reefs. They face across the current to filter food from the water.
Gorgonia
Live sea temperature, waves and wind for the next 7 days, with our snorkel rating for each day.
Calm Choppy Rough. Wave heights are offshore model values.
Loading tides…
Forecast: Open-Meteo. Tides: NOAA station 8724239. Model data, not a lifeguard report. Always check posted warnings.
Hand-picked tours that run here, ranked for small groups, a proper reef briefing and respect for wildlife.
by Captain Hook's
Shared snorkel trip run daily from Big Pine Key at 8:30 AM and 1:00 PM, with mask, snorkel, fins and vest provided. A captain and a CPR-certified mate come with the boat. Which reef you visit depends on weather.
Small crew with a CPR-certified mate. Blue Star status was not listed on the operator's page, so ask when you book.
by Saltwater Seafari
Private boat charters of 2 to 4 hours for up to 6 guests, priced per boat from $339. Masks, snorkels, fins, life jackets and a cooler with water are included. The captain adjusts the reef stops to wind, waves and current.
Small groups of up to 6. Guests must be able to climb a ladder with no handrails.
by Bahia Honda State Park concession
Trips listed at about 1.5 hours of snorkel time with a boat ride of around 35 minutes each way, offered at 9:30 AM and 1:30 PM. Confirm the departure point with the park concession.
Run by the state park's concession. Confirm Blue Star status when you book.
by Keys Boat Tours
A 3-hour private charter for up to 4 people with a boat ride of about 20 to 30 minutes each way, according to the operator's listing. Confirm price and group size when you book.
We may earn a commission when you book through these links, at no extra cost to you. It never changes which tours we pick. How we choose tours.
Apr to Aug has the calmest seas, warmest water and the most trips that actually run. Winter fronts bring wind and chop and cancel trips. Sep and Oct are warm but sit in hurricane season.
Morning trips (about 8:30 AM to 9:30 AM departures) tend to be calmer. Afternoon sea breezes build after lunch.
Tide matters little on the reef itself. Strong wind and current matter more, so let the captain choose the stop.
The day or two after a cold front, any time winds run above about 15 knots, and when a tropical system is near.
| Row | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Snorkel conditions | Fair | Fair | Good | Best | Best | Best | Best | Best | Good | Good | Good | Fair |
| Water °F | 72 | 72 | 74 | 78 | 82 | 85 | 86 | 86 | 85 | 82 | 77 | 73 |
You cannot reach Looe Key from shore, so you need a boat trip or your own boat. Joining a guided trip is the practical option. You should be comfortable in open water and able to climb a ladder back aboard. Flotation vests are available on most trips.
Swim level: Comfortable swimmer
Looe Key sits about 6 miles south of Ramrod Key and Big Pine Key. Most snorkel boats leave from marinas on Big Pine Key, Ramrod Key or Little Torch Key. Operators and visitors report rides of roughly 20 to 40 minutes depending on the dock, with 1.5 to 2 hours of reef time on the longer trips.
Parking was not confirmed on the operator pages. Ask your operator when you book.
About 20 to 40 minutes each way, roughly 6.3 miles. Boats leave from Captain Hook's Looe Key Reef Adventures, Big Pine Key, Newfound Harbor, Ramrod Key area.
No sanctuary entry fee. You pay the boat operator. Shared trips from Big Pine Key start around $54 per person with gear on the operator's page, and private boats are priced per boat.
Official fees and hoursChecked 2026-10-22. Fees change, so confirm before you go.
Looe Key has no shore access. Shared snorkel boats leave from Big Pine Key (Captain Hook's lists daily 8:30 AM and 1:00 PM departures), and Ramrod Key and Little Torch Key operators run similar trips. Private charters carry up to 4 to 6 guests. Book ahead for weekends, and confirm the exact dock because several marinas sit within a few minutes of each other.
Boaters may not anchor on coral or when a mooring buoy is free. NOAA says anchoring of any kind will be banned in most SPAs from 2027, so private boats should plan to use a mooring buoy. Looe Key is not on the list of exceptions.
Looe Key is a 374-acre Sanctuary Preservation Area inside Florida Keys National Marine Sanctuary. These rules apply to every visitor.
Touching or standing on living or dead coral is prohibited in every Sanctuary Preservation Area (SPA). Stay horizontal, keep fins up and off the bottom. Official rule
Fishing by any means and removing or possessing marine life is prohibited inside SPAs. That includes shells, coral and live rock. Official rule
Boaters may not anchor on coral or anchor when a mooring buoy is available. NOAA says anchoring of any kind will be banned in SPAs from 2027, with exceptions for Hen and Chickens, Cheeca Rocks, Newfound Harbor Key, Eastern Dry Rocks, Rock Key and Sand Key. Official rule
Stay close to your boat or the buoy line, surface looking up, and follow the crew's flag and signal instructions. Never swim between boats.
How snorkelers protect reefs · Choosing a reef-safe sunscreen
These local groups restore coral, rescue wildlife and keep the water clean. Volunteer a morning, donate, or just follow their work.
Coral restoration at seven Keys reefs, including Looe Key
NOAA and partners are restoring seven priority reefs in the sanctuary, with Looe Key one of them. The program grows and outplants corals and tracks reef recovery. Read about the program before you visit and stay clear of work areas.
Visit sanctuaries.noaa.gov →
No. The reef is about 6 miles offshore and too deep to stand in. You need a boat. Most people join a shared snorkel trip from Big Pine Key, Ramrod Key or Little Torch Key, or charter a small private boat for the day.
Operators and visitors report about 20 to 40 minutes depending on which dock you leave from. A shared trip usually adds up to 3 hours with reef time, and 1.5 hours or more in the water. Ask your operator for the exact times.
The top of the reef is about 7 ft below the surface and the sand line is about 30 ft. That makes it good for confident swimmers who are comfortable in open water. Boats supply flotation vests, so you can stay at the surface.
April to August offers the calmest seas and warmest water. Winter cold fronts bring wind and chop, and trips are often cancelled. September and October are warm but fall in hurricane season. Mornings are usually calmer than afternoons.
No. Touching or standing on coral is prohibited in sanctuary preservation areas, and so is taking any marine life. Float and kick gently. Use mineral sunscreen or a rash guard to protect both your skin and the reef.
What we pack for every snorkel trip. Each link searches the category on Amazon so you can compare brands and prices.
Non-nano zinc oxide only. No oxybenzone or octinoxate, which Hawaii bans.
Shop on Amazon →The best sun protection is fabric. Less sunscreen in the water, less sunburn on your back.
Shop on Amazon →A low-volume mask that fits beats any rental. Short travel fins pack easily.
Shop on Amazon →An inflatable vest lets you rest without standing on the reef. Lifeguards love them.
Shop on Amazon →As an Amazon Associate we earn from qualifying purchases. Disclosure.
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We check fees, rules and access against official sources first, then local operators and recent visitor reports. Conditions change, so always follow posted signs and lifeguards. Spotted something out of date? Tell us.
