Aerial view of Seashell Beach Resort waterfront in Marathon, Florida Keys
Florida Keys · Since 1951

Two Oceans, One Unforgettable Shore

Wake to the Gulf's turquoise calm and fall asleep to the Atlantic's gentle rhythm — your private strip of the Florida Keys awaits.

Marathon's only resort where both oceans meet at your doorstep.

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57612 Overseas Hwy, Marathon, FL 33050
Accommodations

Rooms Designed for the Keys

From garden-view studios to oceanfront suites, every room is a quiet retreat where coastal charm meets thoughtful comfort.

Seashell Studio room with garden view and tropical décor

Garden Studio

Popular

A serene retreat overlooking lush tropical gardens. Ideal for solo travelers or couples seeking a peaceful Keys escape.

Queen Bed Up to 2 Guests Patio Access
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Gulf View room with balcony overlooking the Florida Keys

Gulf View Room

Waterfront

Wake to panoramic Gulf of Mexico views from your private balcony. Watch dolphins play in the morning light.

King Bed Up to 2 Guests Balcony
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Oceanfront Suite with direct Atlantic Ocean access

Oceanfront Suite

Premium

Our signature suite offers direct Atlantic Ocean access, a separate living area, and sunset views that stretch for miles.

King Bed Up to 3 Guests Ocean Access
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The Experience

More Than a Place to Stay

Seashell Beach Resort is your gateway to the Florida Keys — with activities, dining, and waterfront moments all within walking distance.

Scuba diving in the clear waters near the Florida Keys

Diving & Snorkeling

Access to world-class reefs including the only living coral barrier reef in the continental U.S.

Deep sea fishing charter departing from Marathon Florida Keys

Deep Sea Fishing

Marathon is known as the "Dorado Capital of the World" — book a charter right from our marina.

Wild dolphins swimming in the crystal clear waters of the Florida Keys

Dolphin Cruises

Spot wild Atlantic bottlenose dolphins in their natural habitat — just minutes from our dock.

Golden sunset over the Gulf of Mexico viewed from Seashell Beach Resort

Sunset Views

Watch the sky ignite every evening from our beachfront — no reservation needed for the best seat in the Keys.

73
Acres of Waterfront
1951
Established
2
Ocean Frontages
75
Marina Slips
Fresh seafood platter at the resort's waterfront restaurant
Dining

Taste the Keys at Our Waterfront Restaurant

Our on-site restaurant celebrates the flavors of the Florida Keys — fresh catch from local waters, tropical produce from nearby farms, and signature key lime creations that have been a guest favorite for decades.

Whether it's a leisurely breakfast overlooking the Gulf, a romantic sunset dinner on the terrace, or casual poolside fare, every meal here is an occasion. Reservations recommended for dinner service.

Breakfast & Brunch

Served daily from 7:00 AM – 11:00 AM · Tropical fruit, fresh pastries, and Florida citrus

Lunch & Dinner

Lunch 11:30 AM – 3:00 PM · Dinner 5:00 PM – 10:00 PM · Reservations recommended

Private Events

Full buyout available for weddings, celebrations, and corporate gatherings up to 200 guests

Reserve a Table
"We've been coming to Seashell for over twenty years. The two-ocean setting is unlike anywhere else in the Keys, and the staff treats you like family every single time."
Returning Guest
Visit since 2003
Location

Right in the Heart of the Florida Keys

Situated on the Overseas Highway in Marathon — the geographic center of the Florida Keys — Seashell Beach Resort offers the perfect base for exploring the entire archipelago.

Key Largo is 45 minutes north, Key West is just 45 minutes south, and Miami International Airport is roughly 2 hours away. You're never far from adventure, and you're always close to home.

57612 Overseas Highway
Marathon, Florida 33050
Check-in: 4:00 PM · Check-out: 10:00 AM
Early check-in and late check-out available upon request
Reservations

Begin Your Keys Escape

Whether you're planning a romantic getaway, a family adventure, or a fishing expedition, we'd love to help you book the perfect stay. Reach out and we'll get back to you within 24 hours.

57612 Overseas Highway
Marathon, Florida 33050
Secure Booking
Free Cancellation
Best Rate Guarantee

Request a Reservation

We'll respond within 24 hours to confirm availability and pricing.

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