Lodge room
- Bathroom
- Not listed
Participant dorms (over 200 Scouts and leaders) plus hotel-style, small and large dormitory housing for conference groups; lodging only included with off-season conference bookings.
Florida Sea Base (Florida National High Adventure Sea Base)
Group camp in Islamorada, Monroe County, Florida Also known as Florida National High Adventure Sea Base
No photos yet
Exact location not confirmed yet
Group camp
Islamorada, Monroe County, Florida
Members only
This place is for members of the club or organization that runs it. Check with them before you plan a stay.
From the park's website, Oct 2026
Not yet confirmed by phone. Details can change, so check with the park before you go.
Seasonal
Scout high adventure programs February-April, May-August and December; school and conference programs open to the general public October-April.
Book online
Through Online
Scouting America's national high-adventure aquatic base on Lower Matecumbe Key in Islamorada (MM 73.8), with dormitory and conference housing for Scout crews, school groups and conferences. It is not a campground: there are no RV or tent sites and no individual overnight stays.
What stands out
- Scouting America national high-adventure aquatic base at Islamorada MM 73.8
- Former 1950s Tollgate Inn with a 300-foot marina dock
- Dorm lodging for program groups only; no campsites
- School and conference groups October-April
Sites
Site details not listed yet. The state license lists no RV or tent spaces.
What this place offers
- Boat ramp
- Fishing
Cabins and rentals
Things to know
Rig rules
- No RV age limit listed
Pets
- Not listed
Arrival
- Scout high adventure programs February-April, May-August and December; school and conference programs open to the general public October-April.
Cancellation: Notify Sea Base immediately; if the adventure is rebooked, all fees except the $350 reservation fee are returned; no refund if not rebooked. No refunds for fewer crew members than maximum size.
Other fees: Scout adventures priced per crew (crew sizes 4-6, 6-8, 10-12, 18-20); non-refundable $350 reservation fee per crew. Conference fees include meeting space, AV, internet and food service.
Good to know
From the park's own website and other official pages. Policies change, so confirm with the park.
Location and directions
- On Lower Matecumbe Key, Islamorada, at mile marker 73.8 of the Overseas Highway.
Activities and nearby
- Programs include scuba, sailing, fishing, snorkeling, paddling, coral restoration and marine STEM; also Divemaster, Dive Instructor and Captain's courses.
Ownership
- Former Tollgate Inn fishing resort bought by Scouting America in 1979; Sea Base opened in 1980 as Scouting America's first co-ed facility.
Also worth knowing
- Serves about 16,000 participants a year across 3 Florida Keys locations plus Bahamas and St. Thomas bases.
On Google
Rating, reviews and photos from the park's Google listing.
Where you'll be
73800 OVERSEAS Highway, Islamorada, FL, 33036
DirectionsWhere this info comes from
- seabaseha.org Overview, seasons, programs, locations
- seabaseha.org History and facilities of Islamorada base
- seabaseha.org Address, phone, staff directory
- seabaseha.org School programs, public access October-April, group sizes
- seabaseha.org Conference lodging rules
- seabaseha.org Crew registration, fees, cancellation
- Florida Department of Health mobile home and RV park license list
- OpenStreetMap
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