Where It’s 70 Degrees Year-Round: Best U.S. Cities and International Escapes for Endless Summer

Last Updated on July 15, 2025 by Boatsetter Team

If “always 70 and sunny” sounds like your dream forecast, you’re in the right place. Whether you’re chasing the sun in the middle of winter or just tired of planning around unpredictable weather, we’ve rounded up the best warm-weather destinations in the U.S.—plus a few international gems—where summer never really ends.

From boat-up tacos in San Diego to swimming with pigs in The Bahamas (yep, really), these spots serve up sunshine, 70+ degree temps, and unforgettable boat days year-round.

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San Diego, California

Best time to visit: Year-round, with peak boating conditions from May to October.

With average temperatures hovering in the 70s and over 260 sunny days annually, San Diego exemplifies California’s reputation for the state with the best weather in the U.S. Its coastal charm and vibrant marine life. Sail to Coronado Island and enjoy panoramic views of the Hotel del Coronado and the iconic Coronado Bridge. Do some waterfront dining at boat-up restaurants like Point Loma Seafoods or Bali Hai Restaurant. Take advantage of being just a short distance from a bucket list destinations — Dana Point, the Whale Capital of the World — and embark on a private whale and wild dolphin watching tour.

The new Active Recreation Area at Waterfront Park, featuring a basketball court, two pickleball courts, a five-station fitness apparatus, table tennis, and a fenced off-leash dog area with agility equipment.

Honolulu, Hawaii

Best time to visit: April to October for calmer seas and optimal snorkeling conditions.

Honolulu’s steady 80°F temps and postcard-perfect water make it the ultimate year-round escape. You can snorkel at Hanauma Bay to spot tropical fish and sea turtles, or catch golden hour on a breezy sunset cruise past Diamond Head. Get a local sailor to show you Oahu’s coast from their point of view or yours. If you’re curious, here’s what a day sailing the Waikiki coast feels like.

If you’re looking for unique on-the-water activities, you’ll want to head over to the LineUp, a 52-acre protected lagoon just for water sports, or get a local angler for a fishing excursion.

 

Sarasota, Florida

Best time to visit: November to April for pleasant temperatures and lower humidity.

Sarasota’s stretch of Florida’s Gulf Coast offers a chill pace with crystal-clear inlets perfect for boating. Go on an private eco-cruise to spot dolphins and mangroves, or head out to Lido Key and Siesta Key for sunbathing on white-sand beaches. The calm winter waters are perfect for a leisurely day aboard with a local captain, or trying a little backwater fishing. Boaters can dock and dine at several waterfront restaurants in Sarasota, including Marina Jack and Dry Dock Waterfront Grill, offering convenient access and scenic views.

Charleston, South Carolina

Best time to visit: March to May and September to November for mild weather and fewer crowds.

Historic charm meets saltwater adventure in Charleston, where boating doubles as a history tour. Drift past antebellum mansions and Fort Sumter in Charleston Harbor, or cast a line in the creeks and salt marshes on a skiff tour out to Morris Island Lighthouse. Charleston’s inshore waters are a favorite for redfish, speckled trout, and flounder. Here’s how to fish them like a local. In warmer months, book a boat with snorkeling gear and discover the shell-covered beaches of nearby barrier islands.

Charleston’s waterfront is about to level up: The Cooper, the city’s first luxury harborfront hotel, is set to open in October 2025 with sweeping views and direct water access

Santa Barbara, California

Best time to visit: September to November for warm weather and fewer crowds.

Santa Barbara is where the Mediterranean climate meets ocean-and-mountain views, making it one of the most beautiful boating towns in the U.S. Launch from the marina and explore Santa Cruz Island by private charter, where sea caves, hidden beaches, and orcas await. Cruise along the coastline to spot harbor seals or set sail on a sunset cruise while sipping California rosé—if Côte d’Azur glamour is your thing, try cruising Santa Barbara.

Marisella, a new waterfront restaurant by renowned chef Danny Grant, has opened at the Ritz-Carlton Bacara, enhancing the coastal dining experience.

Phoenix, Arizona (Lake Pleasant)

Best time to visit: March to May and September to November for cooler desert temps and ideal boating weather.

Just 45 minutes from Phoenix, Lake Pleasant offers the ultimate desert boating experience in the middle of the Sonoran Desert. Whether you’re wakeboarding, tubing, or just lounging on a pontoon, it’s the best kind of dry heat. Book a boat with a grill and a sound system and turn it into a floating fiesta, or plan a sunrise fishing trip when the lake is glassy and serene.

The Scorpion Bay Grill, a premier floating restaurant on Lake Pleasant, provides boaters with a casual dining spot featuring 360-degree mountain views.

These global hotspots serve endless summer vibes

Who says summer has to end? These international escapes are always in season and even better by boat.

Nassau, The Bahamas

Best time to visit: December to April for dry weather and calm seas.

Nassau offers turquoise waters and vibrant culture, with temperatures averaging around 80°F year-round. You can snorkel at Rose Island to explore coral reefs teeming with marine life, or catch golden hour on a breezy sunset cruise past Paradise Island. For a bucket-list experience, book a private charter and head to Exuma Cays to see the famous swimming pigs, especially in the winter months.

The Baha Mar resort is undergoing expansion, including the addition of new beachfront dining options, enhancing the luxury experience for visitors.

Gouverneur Beach, St. Barths

Best time to visit: December to May for sailing.

A favorite among in-the-know travelers, Gouverneur Beach is a secluded crescent tucked below the cliffs on the southern edge of St. Barths. Though it’s technically accessible by land, the best way to arrive is by sea, especially with a private captain guiding you into the quiet cove. With waves rolling gently and sand underfoot, luxury here comes not from opulence, but from privacy and presence.

Recent upgrades at nearby Cheval Blanc St-Barth Isle de France and Eden Rock add to the island’s barefoot-chic appeal, offering top-tier dining and beach service post-sail.

Meads Bay & Little Bay, Anguilla

Best time to visit: December to April for surf and prime snorkeling.

Anguilla is all about understated elegance, and Meads Bay is its crown jewel—a long, graceful curve of white sand and impossibly clear water that easily earns its spot among the most beautiful beaches in the world. Rent a boat and cruise the coastline before anchoring just offshore for lunch and a swim. For a secret detour, ask your Captain to steer toward Little Bay, a cliff-wrapped cove only accessible by sea and known for its peaceful seclusion.

New culinary openings like Ember and Celeste elevate Anguilla’s status as a Caribbean food lover’s paradise, especially when you arrive by boat.

Cancun, Mexico

Best time to visit: December to April for pleasant weather and calm seas.

Cancun‘s Caribbean coastline boasts white-sand beaches and vibrant nightlife, with temperatures averaging 80°F. You can snorkel at the Underwater Museum (MUSA) to explore over 500 submerged sculptures—including everything from human figures to a life-sized Volkswagen Beetle slowly becoming part of the reef. Or catch golden hour on a breezy sunset cruise past Isla Mujeres.

The Marriott Cancun has recently undergone renovations, offering luxurious accommodations and expanded beachfront dining.

Puerto Vallarta, Mexico

Best time to visit: November to April for dry weather and optimal boating conditions.

Puerto Vallarta offers a blend of traditional charm and modern amenities, with a tropical climate averaging 80°F. You can snorkel at Los Arcos National Marine Parkto discover vibrant marine life, or catch golden hour on a breezy sunset cruise past Banderas Bay. For a bucket-list experience, book a private charter to explore Yelapa’s secluded beaches. Puerto Vallarta made our list of top countries to visit in 2025, and this is exactly why.

The Four Seasons Naviva Resort in Punta Mita offers an all-inclusive glamping experience with luxurious accommodations and personalized services, enhancing the region’s appeal for travelers.