KEY WEST PRIVATE FIELD GUIDE
Private Passage to Dry Tortugas: Fort Jefferson, Reefs, and a Sandbar on the Lilly II
An eight-hour private charter from Key West that combines a visit to Fort Jefferson with reef snorkeling and sandbar downtime—this guide explains what to expect and how to plan.
Private Passage to Dry Tortugas: Fort Jefferson, Reefs, and a Sandbar on the Lilly II.
Adventure brief
Private Passage to Dry Tortugas: Fort Jefferson, Reefs, and a Sandbar on the Lilly II
This full-day private charter runs roughly 70 miles west from Key West to Fort Jefferson (Dry Tortugas) on the luxurious 39' Invincible 'Lilly II.' Over an eight-hour outing you explore a massive Civil War fort, snorkel the largely untouched reefs of the Florida Keys barrier reef, and relax at a shallow sandbar, all aboard a vessel fitted for comfort and privacy.
In the lively harbor of Key West, Florida, Next Chapter Charters offers a full-day private marine adventure aboard the luxurious Lilly II. This eight-hour trip provides an ideal blend of history, natural beauty, and relaxation, perfect for those seeking an authentic slice of island life. As you set sail, the gentle rhythm of the waves frames your journey to Fort Jefferson, a towering Civil War-era fortress that history buffs will find fascinating. Walking through the old stone walls, you get a glimpse into 19th-century military life amid panoramic ocean views.
Beyond the historic site, the tour offers a vibrant underwater world. Snorkeling amid reefs of the world’s third-largest barrier reef reveals an explosion of coral formations and reef fish—bright parrotfish, curious angelfish, and perhaps a playful sea turtle. Later, the boat drifts to a secluded sandbar, where you can stretch out, soak up the sun, and enjoy the sound of the surf while floating in clear, warm waters.
What makes Next Chapter Charters stand out is their commitment to comfort and quality. The Lilly II’s amenities ensure a smooth, enjoyable experience, making the day accessible and relaxing for all ages. Whether celebrating a special occasion or simply seeking a memorable day on the water, this trip combines educational highlights with sheer leisure. Located in Key West, a hub for adventure and outdoor pursuits, this charter enhances the area’s reputation as a premier destination for ocean-based excursions.
Participants should be prepared for a day of physical activity—light walking, snorkeling, and lounging. With beautifully curated stops and expert guides, this private charter offers a well-rounded outdoor experience in a stunning Florida setting, perfect for creating lasting memories in the Keys.
Route Schematic
Route & Key Stops
The charter follows a set of stops that typically include reef snorkeling, Fort Jefferson, and a sandbar; the order and exact locations depend on conditions and operator choices.
Departure from Key West
The trip originates in Key West and proceeds roughly 70 miles west toward the Dry Tortugas and Fort Jefferson.
Offshore Barrier Reef Snorkel
Snorkeling is done at the barrier reef system about 7 miles offshore of Key West, part of the Keys' reef and home to abundant marine life.
Fort Jefferson (Dry Tortugas)
Visit and explore the massive Civil War fort at Fort Jefferson—this is the primary historic destination of the excursion.
Sandbar Stop (and Dolphin Watching)
A popular stop at a shallow or exposed sandbar allows time to relax, swim, play games, and watch for dolphins when conditions permit.
The vessel seats six comfortably; exact stop order and timing can change with weather and operator decisions—confirm any special departure requests in advance.
Highlights
Outing Highlights
Fort Jefferson and Dry Tortugas
The trip's centerpiece is Fort Jefferson, a vast Civil War–era fortress reached on a roughly 70-mile run west from Key West, where passengers can step ashore to explore the fort's history and grounds.
Snorkeling the Third-Largest Barrier Reef
Snorkel stops take you to the Keys' offshore barrier reef system—about 7 miles off Key West—giving access to relatively untouched reefs and abundant marine life along the third-largest barrier reef on Earth.
Private Comfort Aboard the 'Lilly II'
The Lilly II is a 39' Invincible designed for comfort and safety with seating for six, ample storage and coolers, a private full bathroom, a fresh-water shower, and a state-of-the-art sound system—set up for private groups to relax between stops.
What the day feels like
What the Day Feels Like
An eight-hour private cruise on the Lilly II unfolds as a blend of history, wildlife and downtime: a long run offshore to Fort Jefferson, time ashore to explore the fort, snorkeling at reefs several miles out for marine viewing, and a stop at a shallow or exposed sandbar to relax, swim and socialize in a private setting.
Suitability
Who it's for
Who this private charter suits best—and constraints to consider.
Practical planner
Details to review before reserving
This is an eight-hour full-day excursion.
A cooler with ice and water will be provided onboard; snorkel gear is available if selected.
The vessel includes ample cooler space and dry storage; additional onboard amenities are listed by the operator.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the charter?
The full-day Fort Jefferson (Dry Tortugas) excursion is eight hours.
What destinations are included?
The charter runs to Fort Jefferson (Dry Tortugas), includes snorkeling on the Keys' barrier reef and a stop at a sandbar; dolphin watching is also a possibility.
Is snorkel gear provided?
Snorkel gear is provided if selected.
How many people can the boat accommodate?
The Lilly II seats six comfortably.
Can we request a departure time outside the advertised slots?
Yes—departures outside of the 9:00 and 1:00 time slots can be arranged by calling the operator at (954) 294-6943.
What is included onboard?
Included are a cooler with ice and water and a captain; snorkel gear is available if selected.
How this guide was prepared
This field guide is synthesized using verified supplier specifications, route descriptions, and destination data. Some booking links may generate affiliate revenue for ADV Guides.
- Verified: 2026-09-01T23:34:06.822Z
Some booking links may generate revenue for ADV Guides or The Adventure Collective.
Availability, pricing, schedules and operating details can change.
Trip details and contextual sources were reviewed by ADV Guides Editorial.