Cayo Icacos is an uninhabited barrier island off Fajardo, Puerto Rico, celebrated for its crystal-clear waters, vibrant coral reefs, and powdery white sand.
Cayo Icacos sits within the La Cordillera Nature Reserve, a protected chain of cays managed by Puerto Rico's Department of Natural Resources. This designation has kept the island largely undeveloped, preserving habitats for sea turtles, rays, and a range of reef fish.
Visitors arrive almost exclusively by boat, typically joining a day charter or water taxi out of Fajardo's Las Croabas waterfront. The crossing takes roughly thirty minutes and passes several smaller cays along the way. Once ashore, the main draws are simple: swimming, snorkeling, and walking the shoreline.
The reef systems surrounding Cayo Icacos support healthy elkhorn and brain coral formations, and the visibility on calm days can exceed fifty feet. Kayaking around the island's perimeter reveals sea grass meadows and occasional juvenile reef sharks patrolling the shallows.
Because no permanent amenities exist, the pace on Cayo Icacos is set entirely by the tides and the weather. That self-contained quality is precisely what draws visitors who want a slice of the Caribbean with minimal crowds and maximum natural beauty.
Take an early morning boat departure from Fajardo to reach Cayo Icacos before the midday crowds and secure a prime spot on the sandbar.
Bring all food, water, and supplies you need, as there are no vendors, restaurants, or facilities on the island.
Wear reef-safe sunscreen to protect the coral ecosystems that make snorkeling around Cayo Icacos so rewarding.
Look for sea turtles feeding in the sea grass flats on the island's calmer western side, where sightings are most frequent.
Pack a snorkel and fins even if you plan to relax on the beach, since the clear water just steps from shore makes exploration effortless.
Steer your own mini boat and snorkel island waters
Beach, reef, drinks, and snorkeling on an Icacos afternoon
Private reef snorkeling, beach time, and lunch aboard a power catamaran
Reef Snorkeling, Beach Time and Lunch off Fajardo
Sail the Cordillera Cays with beach time and reef snorkeling
Private island time with snorkeling, drinks, and shaded comfort
Sail privately to Icacos or Palomino with snorkeling, food, and drinks included
Sail to Icacos for snorkeling, waterslide fun and coastal views
Private sailing day with lunch, drinks, and snorkeling gear
Spend a beach day with lunch, drinks, and water activities
Snorkel coral reefs and relax on an island beach off Fajardo
Spend a catered beach day snorkeling off Vieques
Snorkel, relax, and enjoy lunch on a full-day Culebrita escape
Guided reef snorkeling, beach time, lunch and drinks on a 27-foot charter
Spend the day snorkeling Tortuga Reef and relaxing at Icacos and Palomino
Snorkel La Cordillera waters with lunch and drinks included
Explore Fajardo’s cays with snorkeling, beach stops, and onboard comforts
Private Caribbean sailing, snorkeling, and beach time aboard a restored yacht
Private Caribbean sailing with snorkeling, beach time, and onboard refreshments
A full day of guided snorkeling, beach time, lunch and drinks
Explore Vieques by boat with guided snorkeling, lunch, drinks, and beach time
Explore Fajardo’s local keys by private boat, with time to swim, snorkel, and unwind
Two boats for island swimming, snorkeling, and time on the water
Beach time at Icacos Cay followed by a Caribbean twilight cruise
Explore Culebra’s reefs and beaches with guided snorkeling, lunch, and drinks included
Cruise to Culebra for reef time, beach time, and onboard refreshments
Set sail for snorkeling, swimming, and beach time in Puerto Rico
Caribbean views, lunch, drinks, and snorkeling gear at Icacos
Sail to Icacos for snorkeling, waterslides, and a Puerto Rican lunch
Island-hop, snorkel, and relax aboard a private 36-foot catamaran
Guided reef snorkeling with private island stops
Private fishing and island snorkeling with your catch to keep
Spend a day snorkeling Luis Peña Natural Reserve and relaxing on Culebra’s beaches
Sail to Icacos for island time, snorkeling, lunch, and rum drinks
Snorkel, beach games, and tropical drinks at Icacos Island
Swim, snorkel, and beachcomb on a private Puerto Rico catamaran
Swim, float, and snorkel around Icacos or Palomino with transportation from San Juan
A beach day with reef snorkeling, lunch, and rum drinks
Private sunset escape at Icacos with drinks, snacks and floating gear
Private island cruising with sun decks, a wet bar, and snorkeling gear
Snorkel and float around Icacos or Palomino with lunch included
Explore Icacos and/or Palomino with lunch, drinks, and snorkel gear
A private island escape with snorkeling, beach time, and your own pace
Private island beach time with snorkeling and onboard refreshments
Private island day with beach time, snorkeling, and onboard food and drinks
Private snorkeling escape with a captain and bilingual crew
A private beach day across Icacos, Palomino, and Palominito
Cruise Culebra’s coast with lunch, snorkeling gear, and a private captain
Cruise to Icacos, Palomino, or Culebra aboard a private Sea Ray
Private boat day for snorkeling, beach time, and island waters
Choose your island escape on a private yacht from Fajardo
Choose your island escape with a captain and first mate
Dive Icacos reefs from a private 36-foot boat with lunch and gear included
Private boat day with beach time, snorkeling, and lunch included
Explore Caribbean reefs on a private dive boat trip to the Icacos Islands
Snorkel offshore islands, swim from the boat, and relax on the beach
Snorkel, swim, and unwind on a private island escape
An afternoon of Icacos snorkeling, waterslide fun, and coastal sunset views
Explore three cays by private boat and snorkel in the waters around Fajardo
Private beach day exploring Icacos, Palomino & Palominito
Cruise to a local Fajardo key with snorkeling gear, snacks, and water toys included
Open the side platforms for a roomy private island cruise
Private 30-foot boat day with lunch, snorkeling gear, and a local key stop
Guided reef snorkeling and beach time along Puerto Rico's eastern coast
Private reef snorkeling, beach time, and lunch aboard Manta
Explore reefs, beaches, and island waters on a private Fajardo charter
Ride a high-speed powerboat to snorkel reefs and relax on Culebra beaches
Snorkel Cordillera Cays reefs and relax at an island beach
Snorkel, swim, and slide into the waters around Icacos Island
Private snorkeling and relaxation around Puerto Rico's cays
Take the helm of a mini boat and snorkel off Fajardo’s coast