Coastal Flats
Downtown Crown, Gaithersburg
Restaurant in Gaithersburg, United States
Book with PearlThe Read
Price
$30–50per person
Dress
Casual
Why go
Coastal Flats is a practical Gaithersburg pick for casual sit-down meals, mixed-preference groups, and low-friction dinners near Crown Park. It is easier to recommend for comfort and convenience than for a highly specific cuisine brief; compare it with Copper Canyon Grill for a similar sit-down mood, or mezeh and Metro Dhaba for faster, more focused alternatives.
About Coastal Flats
Coastal Flats is a Gaithersburg restaurant with a casual dress code and broad daily hours. The safest way to plan around it is practical: use the schedule, keep attire casual, and compare it with other dining options based on the kind of outing you want.
A casual Gaithersburg option with broad daily hours
Coastal Flats offers convenience. It opens at 11:30 AM Monday through Friday, at 11 AM on Saturday and Sunday, and remains open until 10 PM most nights. On Friday and Saturday, it stays open until 11 PM. That makes it easier to consider for daytime, evening, or weekend plans in Gaithersburg.
The dress code is casual, so there is no need to plan around formal attire.
Where it earns the booking in Gaithersburg
Coastal Flats is worth considering when the main planning factors are location in Gaithersburg, casual dress, and a schedule that covers both daytime and evening hours. If you are comparing options, you may also want to look at Cava Mezze, Copper Canyon Grill, Laredo Grill, Metro Dhaba, or mezeh, along with other dining choices.
The verdict: choose Coastal Flats when its Gaithersburg location, casual dress code, and hours fit the plan. For a wider scan of the area, use Our full Gaithersburg restaurants guide, then compare against other options before deciding.
Planning details
- Location
- 135 Crown Park Ave, Gaithersburg, MD 20878
- Reservations
- Book on Resy
- Website
- coastalflats.net
- Phone
- +13018698800
The take
The Take
The Vibe
Coastal Flats reads like a suburban, coastal-American outpost that plays to accessibility rather than tasting-menu rigor. It leans into a casual register that comfortably absorbs foot traffic from the surrounding retail corridor, and the dining room is shaped to welcome groups and families more than solitary, seafood experiences. The prose about sourcing and menu architecture in the description frames the restaurant as approachable and mainstream: a neighborhood place that trades the hyper-seasonal, daily-changing frisson of high-end fish restaurants for a broader, more familiar menu and a convivial, people-friendly room.
Best For
This is a place built for shared, informal occasions: weekend brunches, family dinners, post-work get-togethers and group nights out. The write-up positions Coastal Flats squarely in the suburban, approachable tier: menus and prices are meant to be accessible, and the room is geared toward groups rather than tasting-format diners. That makes it a reliable option for casual hangouts and larger parties who want straightforward coastal-American seafood without the formality of upscale seafood houses. It also fits later service turns, given the listing of late-night as an existing occasion.
Ordering Tips
Given the emphasis on coastal-American classics, the signature items are the clearest starting points: jumbo lump crab cakes, blue crab and shrimp fritters, lobster roll, short smoked salmon, pecan-crusted trout and shrimp and grits. For groups and families, plan to order several of those plates to share so everyone samples different preparations. The menu’s broad architecture rewards picking a few highlights rather than a single entrée; build a mix of fried and composed dishes to get a rounded sense of the kitchen’s approach.
Venue details
Ambiance
Relaxed and contemporary with warm lighting, featuring cozy booths in the coastal dining room, a lively bar area, and outdoor patio seating; bustling atmosphere especially on weekends.
Tags
Vibe
Best For
Experience
Sourcing
Accessibility
At the Table
- Dress Code
- Casual
- Noise Level
- Lively
- Service Style
- Upscale Casual
- Meal Pacing
- Standard
- Capacity
- Large
- Kitchen
- Traditional
- Menu Format
- A la carte
- Drinks Focus
- Wine, Beer, Cocktails
- Dietary
- Vegetarian friendly, Vegan options, Gluten-free options
- Outdoor Seating
- Yes
Signature Dishes
- jumbo lump crab cakes
- blue crab and shrimp fritters
- lobster roll
- short smoked salmon
- pecan crusted trout
- shrimp and grits
Know before you go
Know Before You Go
- Getting there
- 135 Crown Park Ave, Gaithersburg, MD 20878
Planning details
Location
Also consider
Also Consider
- mezeh, Notable alternative
- Copper Canyon Grill, Notable alternative
- Laredo Grill, Notable alternative
- Metro Dhaba, Notable alternative
- Cava Mezze, Notable alternative
Restaurant context
How Coastal Flats compares in Gaithersburg
Choose Coastal Flats when the priority is an easy sit-down meal with broad group appeal. Compared with mezeh, it is the better fit for a longer meal and a table that wants a conventional restaurant rhythm; mezeh is the smarter move for a faster, lower-commitment stop.
Copper Canyon Grill is the closest cross-shop for diners who want a polished casual room rather than a specialist kitchen. Coastal Flats and Copper Canyon Grill both work for mixed groups, but Copper Canyon Grill is the more direct alternative if the group wants a similar sit-down feel and cannot land the preferred time here.
For a more specific food brief, look elsewhere: Laredo Grill makes more sense for Latin-leaning comfort, Metro Dhaba is the clearer call for Indian food, and Cava Mezze is the better cross-shop when the group wants a more shareable Mediterranean-style meal.
Explore Gaithersburg
Around this place
Discover more on Pearl
Unlock the full Coastal Flats guide in Pearl, including awards, comparisons, FAQs, planning details, and nearby places.
Compare Coastal Flats
| Venue | Location | Awards |
|---|---|---|
| Coastal Flats | Gaithersburg | No published awards |
| mezeh | Gaithersburg | No published awards |
| Copper Canyon Grill | Gaithersburg | No published awards |
| Laredo Grill | Gaithersburg | No published awards |
| Metro Dhaba | Gaithersburg | No published awards |
| Cava Mezze | Rockville | No published awards |
How Coastal Flats Gaithersburg compares with similar nearby venues.
FAQ
Frequently Asked Questions
Is lunch or dinner better at Coastal Flats?
Coastal Flats has daytime and evening hours. It opens at 11:30 AM Monday through Friday and 11 AM on Saturday and Sunday, closes at 10 PM most nights, and stays open until 11 PM on Friday and Saturday.
What are alternatives to Coastal Flats?
Other options to compare include Cava Mezze, Copper Canyon Grill, Laredo Grill, Metro Dhaba, and mezeh, along with other Gaithersburg dining.
Is Coastal Flats good for a special occasion?
That depends on the occasion. Coastal Flats has a casual dress code and broad hours, but for specific details about private dining, celebrations, or event setup.
What should I wear to Coastal Flats?
Keep it casual. The dress code for Coastal Flats in Gaithersburg is casual.
