Best Beaches to Visit in America in December

Last Updated on November 17, 2025 by Boatsetter Team

While much of the country is bundled up, December beachgoers are chasing sunshine from coast to coast. Whether you’re escaping winter or celebrating the holidays seaside, these destinations promise warm water, soft sand, and the best of off-season tranquility.

From Florida’s Keys to Southern California’s coves, here are the best beaches to visit in America in December — and how to experience them from the water.

1. South Beach, Miami, Florida

Average High: 77°F

Why Go: Miami’s most famous beach is alive year-round, but December brings perfect weather, fewer crowds, and a lively holiday energy. Swim, stroll the boardwalk, or celebrate New Year’s Eve overlooking Biscayne Bay.

Boatsetter Tip: Cruise along the Miami River or book a luxury yacht rental in Miami to see the skyline sparkle during golden hour.

2. Smathers Beach, Key West, Florida

Average High: 76°F

Why Go: December in Key West is all about sunsets, live music, and waterfront parades. Smathers Beach offers palm-lined perfection with calm water for swimming and paddleboarding.

Boatsetter Insight: December is one of the best months for Key West boat rentals, especially for sunset cruises and snorkeling trips around the reefs.

3. Waikiki Beach, Oahu, Hawaii

Average High: 82°F

Why Go: With warm surf and postcard-perfect sunsets, Waikiki is the ultimate tropical winter escape. Learn to surf or take a catamaran ride for panoramic views of Diamond Head.

Boatsetter Tip: Book a catamaran rental in Oahu for a front-row seat to the sunset or a quick sail to Turtle Canyon for snorkeling.

4. Coronado Beach, San Diego, California

Average High: 67°F

Why Go: Coronado’s wide stretch of golden sand is peaceful in December. It’s ideal for walking, kite flying, or watching dolphins play offshore.

Boatsetter Tip: Rent a San Diego powerboat and cruise under the Coronado Bridge for views of the skyline and the iconic Hotel del Coronado.

5. Clearwater Beach, Florida

Average High: 73°F

Why Go: Clearwater’s sugar-soft sand and calm Gulf water make it a family favorite year-round. December brings perfect fishing weather and glowing sunsets.

Boatsetter Insight: Try a Clearwater fishing charter for snapper, grouper, or mackerel before anchoring to watch the sunset.

6. Kailua Beach, Oahu, Hawaii

Average High: 80°F

Why Go: Known for its turquoise water and powdery sand, Kailua Beach feels like a private island escape even in peak winter.

Boatsetter Tip: Take a sailing trip in Oahu or paddle out to the Mokulua Islands for a half-day adventure.

7. Siesta Key Beach, Sarasota, Florida

Average High: 74°F

Why Go: Siesta Key’s quartz sand stays cool underfoot, even in the warmest sunshine. December offers gentle breezes and colorful sunsets along the Gulf.

Boatsetter Tip: Pair your beach day with a Sarasota pontoon rental and spend the afternoon exploring nearby sandbars and dolphin pods.

8. Santa Monica Beach, California

Average High: 65°F

Why Go: A classic California stop, Santa Monica offers an iconic pier, wide beaches, and plenty of sunshine even in winter.

Boatsetter Insight: Book a Los Angeles boat rental and enjoy views of the Pacific coast from Malibu to Marina del Rey.

9. Bahia Honda State Park, Florida Keys

Average High: 77°F

Why Go: Often called one of Florida’s best-kept secrets, Bahia Honda’s natural beauty shines in winter. Snorkel shallow reefs or relax beneath palm trees overlooking turquoise water.

Boatsetter Tip: Launch from nearby Marathon with a Florida Keys boat rental for easy access to the park’s offshore snorkeling spots.

10. Honeymoon Island, Dunedin, Florida

Average High: 72°F

Why Go: Honeymoon Island offers quiet beaches, nature trails, and dolphin sightings. December is ideal for couples or families looking for a peaceful holiday escape.

Boatsetter Insight: Set out from Dunedin or Clearwater with a Tampa Bay boat rental and enjoy the view from the water.

Plan Your December Beach Escape

Whether you’re chasing warmth or starting a new holiday tradition, December is the perfect time to visit the beach. With boat rentals available nationwide, you can experience every destination from a new perspective — one that’s a little sunnier and a lot more memorable.