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
Explore Icacos Island with beach time, reef snorkeling, and tropical drinks
Private catamaran snorkeling, beach time, and a deli lunch
Snorkel a reef, relax on the beach, and enjoy lunch and drinks
Sail the Cordillera Cays with beach-club comforts, lunch, and water play
Private island charter with snorkeling, shaded comfort and refreshments
Sail privately to Icacos or Palomino with snorkeling, food, and drinks included
Sail, snorkel and slide along Puerto Rico's east coast
Sail to Icacos for beach time, reef snorkeling, lunch and tropical drinks
Spend a beach day with lunch, drinks, and water activities
Snorkel coral reefs and relax on an island beach with snacks and drinks included
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
Explore colorful reefs and island waters on an afternoon boat snorkel
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 on a private boat with your group
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
Sail to Culebra for guided reef snorkeling, beach time, and lunch aboard
Sail to Icacos for reef snorkeling, beach time, lunch and tropical drinks
Sail to Icacos for reef snorkeling, lunch, and onboard water fun
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
Snorkel and swim around Icacos or Palomino on a private charter
Sail to Icacos for island time, snorkeling, lunch, and rum drinks
Sail, snorkel, and unwind at Icacos with drinks and beach games
Swim, snorkel, and beachcomb on a private Puerto Rico catamaran
Swim, paddle and float at Icacos or Palomino with transport from San Juan
Snorkel and relax at a Culebra beach reef with lunch, drinks, and water activities
Private sunset escape at Icacos with drinks, snacks and floating gear
Sail to Icacos Island for beach time and reef snorkeling
Private island cruising with sun decks, a wet bar, and snorkeling gear
A Half-Day of Snorkeling, Swimming and Beach Time at Icacos Island
Snorkel and float around Icacos or Palomino with lunch included
Explore Icacos and/or Palomino with lunch, drinks, and snorkel gear
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