Explore Casco Bay Boating Adventures from Yarmouth Boat Yard

Located on the Royal River in Yarmouth, just minutes from Portland, Yarmouth Boat Yard is your convenient gateway to unforgettable boating experiences. Our 110-slip marina offers direct access to Casco Bay, where hundreds of islands await exploration—each offering its own charm, character, and adventure.

Whether you’re looking to relax in a quiet cove, drop a line for some fishing, or cruise from harbor to harbor, Casco Bay delivers endless opportunities.

A few favorite destinations among local boaters include:

Chebeague Island – Offering a mix of seaside dining, cozy hotel accommodations, and a scenic 9-hole golf course overlooking the bay, Chebeague is an ideal stop for a full day on the water.

Diamond Island – A gem in Casco Bay, Diamond Island blends natural beauty with leisure. Visitors can enjoy a stroll along sandy beaches, take in panoramic ocean views, or grab a bite at one of the island’s seasonal eateries. With its relaxed atmosphere and easy access from Yarmouth, it’s a must-visit for anyone seeking a laid-back day on the water.

The Dolphin Restaurant, Harpswell – A longtime customer favorite, The Dolphin offers casual waterfront dining with spectacular views of the bay. Don’t miss their famous fish chowder and blueberry muffin combo, a Maine classic that keeps boaters returning season after season. It’s the perfect stop to refuel and enjoy a taste of coastal tradition.

No matter your pace—whether you’re out for a peaceful cruise or a full day of adventure—Yarmouth Boat Yard is the perfect starting point. Our friendly, knowledgeable team is always ready to help you make the most of your time on the water.

Your next boating adventure begins here. Launch from Yarmouth Boat Yard and discover all that Casco Bay has to offer.