Verified Marine Hydrography

NOAA Station MLRF1 (Molasses Reef) Updated October 2026 Research Methodology →

Islamorada Sportfishing & Marina

Located 20 minutes south of Key Largo, Islamorada spans six individual keys from MM 90 to MM 72, serving as the premier sportfishing, sandbar, and eco-navigation stepping stone to Key West along the Overseas Highway.

Interactive Wildlife & Tide Engine

Robbie's Marina Tarpon Feeding Window Calculator

MM 77.5 Islamorada

Season / Month

Arrival Time Window

Optimal Dock Arrival Window: 9:00 AM – 10:30 AM (Incoming Tide)

Incoming flood tide brings fresh baitfish into the canal. Over 100 giant silver kings congregate under Robbie's dock. Purchase a bucket of baitfish ($5) for direct hand-feeding.

Researched & Hydrographically Verified by Capt. Marcus Vance USCG Master 100-Ton Captain • 24 Yrs Keys Resident

USCG Master Near Coastal • Monroe County Marine Dispatch • Verified October 2026 • Editorial Standards

The Strategic Stepping Stone: Linking Key Largo to the Lower Keys

For travelers road-tripping the Overseas Highway from Key Largo toward Key West, Islamorada represents the premier mid-corridor waypoint. Comprising Plantation Key, Windley Key, Upper Matecumbe Key, Lower Matecumbe Key, and offshore historical islets, Islamorada transitions visitors from Key Largo's living coral reef sanctuary into legendary sportfishing flats along the Florida Bay shelf. Navigators track nautical waypoints via green mile marker posts along US Route 1, stopping for waterfront provisions, fuel docks, and marina charters.

Historically christened 'Islas Moradas' (Purple Isles) by 16th-century Spanish explorers who observed the vibrant purple hue of the lavender sea snail (Janthina janthina) along sandy beaches and native purple morning glories, Islamorada combines barefoot island luxury with authentic working marina culture. Offshore reef drops and bayside flats meet here in a unique geological convergence.

Corridor Waypoint: MM 90.0 to MM 72.0 • Upper to Lower Matecumbe

Top Islamorada Attractions & Mile Marker Guide

North to South Waypoints

Mile Marker	Side	Attraction Name	Category	Highlights
MM 84.5	Oceanside	Theater of the Sea Marine Mammal Park	Family & Wildlife	Iconic natural saltwater lagoon established in 1946; dolphin, sea lion, and nurse shark educational interactions.
MM 82.0	Oceanside	Cheeca Lodge & Spa Historic Luxury Resort	Luxury Lodging	Premier 27-acre oceanfront estate featuring 525-foot historic fishing pier, private beach, and luxury spa suites.
MM 81.6	Bayside	Morada Way Arts & Cultural District	Arts & Dining	Downtown pedestrian corridor hosting Third Thursday art walks, craft galleries, and the Florida Keys Brewing Company.
MM 77.5	Bayside	Robbie's Marina & Tarpon Feeding Dock	Marine Attraction	World-famous wooden boardwalk dock where visitors hand-feed massive wild silver king tarpon; paddlecraft rentals to Indian Key.
MM 73.5	Oceanside	Anne's Beach Boardwalk & Natural Shallows	Beaches & Coastal	Scenic public beach with 1,300-foot elevated wooden boardwalk through coastal mangroves and shallow warm flats.
MM 70.0	Bayside	Fiesta Key & Long Key State Park Bridge	Transit & Views	Southern gateway bridge linking the Upper Keys to the Middle Keys with sweeping panoramic turquoise water views.

Waypoint Status Upper Keys Scenic Corridor: MM 90 to MM 72

Monroe County Route Survey

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Explore Islamorada Charters

The Magic of Robbie's Marina (MM 77.5)

Few experiences match the visceral thrill of kneeling on the wooden dock at Robbie's Marina and holding a silver herring just above the water line as a 100-pound wild Atlantic tarpon erupts from the turquoise shallows to swallow it. Originating in 1976 when founders Robbie and Mona Reckwerdt nursed an injured tarpon ('Scarface') back to health, the marina today attracts hundreds of resident tarpon that gather daily around the dock pilings alongside brown pelicans and West Indian manatees.

Dock Fee: 2.50 USD • Bait Bucket: 4.50 USD • Open 7:00 AM to 8:00 PM Daily

Indian Key Historic State Park Ferry & Kayak

From Robbie’s marina, visitors can rent sea kayaks or board an excursion boat to Indian Key, a remote 11-acre ghost town island situated 3/4 mile offshore. In the 1830s, wrecking tycoon Jacob Housman established an autonomous county seat here before the settlement was burned in the 1840 Second Seminole War. Today, elevated wooden observation towers and stone foundation ruins offer an eerie, fascinating historical immersion into early Florida Keys salvage heritage.

Access by Boat/Kayak Only • 2.50 USD State Park Fee • Self-Guided Trail

Florida Bay Backcountry, Flats Fly-Fishing & The Islamorada Sandbar

Islamorada holds a globally revered status among saltwater anglers as the birthplace of modern saltwater fly fishing. The vast backcountry expanse of Florida Bay features miles of ultra-shallow turtle grass flats, winding mangrove cuts, and marl banks where legendary gamefish feed. Inshore flats skiffs propelled by carbon-fiber push poles sight-fish for bonefish, permit, and tarpon.

Offshore on the Atlantic side, the continental shelf drops rapidly beyond the barrier reef tract into the bluewater abyss of the Florida Straits, where charter fleets troll for sailfish, wahoo, and schooling mahi-mahi. Licensed guides monitor surface water temperature breaks and weedlines to position anglers over fertile pelagic feeding zones.

Fishery Conservation Catch-and-Release Flats Protection & Shallow Idle Corridors

Bonefish & Tarpon Trust Sanctuary

Islamorada Sandbar, Hammock Conservation & Cultural Corridors

Islamorada Sandbar (MM 84)

Boaters gather at low tide near Whale Harbor Channel where waist-deep turquoise waters create an idyllic natural marine social venue in the open sunshine.

Lignumvitae Key Virgin Hardwoods

Accessible by watercraft, this botanical state park safeguards one of the last virgin tropical hardwood forests in North America and the historic 1919 Matheson House.

Beyond world-class fisheries, Islamorada boasts a pedestrian culture centered around the Morada Way Arts District (MM 81.6), where monthly art walks and craft breweries pair with dockside hogfish dining. Culinary landmarks along the channel prepare locally caught yellowtail snapper and stone crab chowder fresh from arriving dayboats, ensuring visitors savor authentic Florida Keys heritage.

Essential Islamorada Navigation, Boating & Wildlife Regulations

Manatee Idle Corridors

All channels connecting Bayside marinas to Florida Bay enforce posted idle-speed zones. Strict compliance safeguards grazing West Indian manatees and delicate shallow turtle grass beds.

Flats Catch-and-Release

Florida law designates bonefish and tarpon as strict catch-and-release sport species. Anglers must use barbless circle hooks and minimize handling time out of the water.

Overseas Heritage Trail

Cyclists traversing Islamorada follow dedicated multi-use paved trail paths over historic Flagler railroad bridges between MM 90 and MM 73 with panoramic water vistas.

Frequently Asked Questions About Islamorada & Robbie's Marina

What is Islamorada famous for and why is it called the Sportfishing Capital?

Islamorada is globally renowned as the Sportfishing Capital of the World because of its unique geography situated between the nutrient-rich Florida Bay backcountry flats (home to bonefish, tarpon, and snook) and the deep Atlantic Gulf Stream (home to sailfish, mahi-mahi, and blackfin tuna).

Where is Robbie's Marina and what can you do there?

Robbie's Marina is located at Mile Marker 77.5 Oceanside in Islamorada. It is world-famous for allowing visitors to hand-feed massive 50 to 100-pound wild Atlantic tarpon from the docks, as well as providing kayak rentals, offshore charters, and open-air artisan markets.

How far is Islamorada from Key Largo?

Islamorada begins at Mile Marker 90.5 (Tavernier Creek Bridge) and extends to MM 72, located just a 15 to 20-minute scenic drive south of central Key Largo along the Overseas Highway.