1. Mariner Park

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    Union City, CA

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    Mariner Park

    4.4 (8 reviews)

    Mariner Park Photos

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    BBQ pits and open grass area
    Chris L.

    A perfectly good neighborhood park. Pros: lots of grass/room, fun playground, picnic area Cons: no bathrooms, not a ton of shade Fun park in a safe neighborhood. In all the times we've been here, it's never overly crowded, run down, or dirty. Everyone here is friendly and keeps to themselves. I've never seen anyone use the two BBQ grills, but they're there. There's a small basketball court that is always used, and the field is nice to throw a football around, play soccer, or even fly a kite. Since it's temperate most of the year, it's a great park to frequent. Tip: it tends to get breezy in this neighborhood, so bring a jacket or sweater if it's below 70, just in case.

    Jessie F.

    a review from amom2kidsandapark.com This park, with two playgrounds separated by a 1/4 mile bike trial, is the perfect destination for peddles and play. Most of the park's features are found at the main site of the park on Dorado Dr and Regents Blvd. Along with the lower height of the structure yet lots of opportunities for play, this part of Mariner Park fun for kids big and small. The structure has two slides (a short tube and a spiral), ladders, steps, a sliding pole, crawling tunnel, peek out bubbles, two steering wheels and tic tac toe. Near by is the swing set with standard swings and tire swing. It is all in a soft rubber surface that could use some repair. As you can see in the photos, the large nearby trees offer a lot of shade. Near the play area is a half baskeball court along with other playground games like handball and foursquare. In this same space there are some workout machines. Also close by is a large picnic area with a lot of tables and bbq. Could be used as group or small scale pinicking. Let's not forget about the huge grass field! Just a little ways down the paved trail is the smaller play area much more geared towards smaller kiddos. This play structure has one wide slide, a crawling tunnel, peek out bubbles, a small arch ladder and tic tac toe. Close by is a bucket only swing set. Another enjoyable feature along this small paved trial of Mariner Park is the bridge where we saw ducks, turtles, and cats. Street parking. No bathrooms.

    Joe V.

    I take my niece here every so often. It is clean and the families that play here are usually friendly. Cant really ask for more than that.

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    4 months ago

    Good park, i hate the double rim, can we pls get that removed? I like the playground, it's cool and blue

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    4 years ago

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    Mia’s Dream Come True Playground - Redwood lookout

    Mia’s Dream Come True Playground

    4.7(106 reviews)
    3.2 mi

    This is hands-down the coolest playground in the East Bay I've been to thus far. While in the area…read morefor a family BBQ, we heard about this spot from parent friends and decided it was finally time to check it out. Wow! I was honestly blown away. We brought lunch to have at the park and honestly, not much was eaten because there was just so much to do! What a toddler dreamland. There's a solitary airplane by the swings, a 'firetruck' to enter/exit, a boat to drive, slides of all kinds..a whale to climb that blows water steam out of its blowhole! I mean..the creativity! There's a quiet area that has books and chairs to read to the littles, like a "take one/leave one" small library. A section dedicated to music where littles can create sounds from a piano by using their feet to step on the keys. A bike park next-door. A pirate ship..I mean, the list goes on and on! In short, this playground is inclusive to all. The magic, wonder, uniqueness, and just imaginative play that is captured by adults and kids alike is really awesome for somewhere in the East Bay. We already can't wait to come back again. Street parking adjacent to playground can be found. This is a popular spot, so plan accordingly.

    Such a sweet playground! I enjoy all the accessibility intended to allow children of all abilities…read moreto play. The lounge chairs for parents near the more exciting features are also very cool. My son plays basketball at the nearby recreation center and we walked over to the park after his session- not realizing it was Mia's Dream Come True until halfway through play. This park is epic - from the Braille to the musical/sound features, awesome fire truck and the spouting whale! We could spend hours here (or at least an hour because Mama's got a schedule). For now we'll be back most weekends after basketball practice. I'd recommend this park to all parents of small children.

    Photos
    Mia’s Dream Come True Playground - Sulphur Creek Barn area

    Sulphur Creek Barn area

    Mia’s Dream Come True Playground
    Mia’s Dream Come True Playground - Hayward replica water tower

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    Hayward replica water tower

    Lakeshore Park - Temporary park closure

    Lakeshore Park

    4.3(78 reviews)
    3.6 mi

    This is a nice neighborhood park and lake . It is dogs , birds , ducks friendly scenic lake with a…read more1.2 mile paved loop trail for jogging , leisure walk and biking . The man made lake is beautiful curved with willow trees planted along the shore . A lot of shade and lounge chairs to sit and relax . I sane some young parents with baby strollers , a few people Ja's fishing poles , jogging groups . It is a great place to enjoy the views of the wild life ( birds ) , plants and scenery along the lake . There is a small parking lot at the entrance. If it gets full in the morning , you can easily find street parking with access to the lake . I enjoy the peaceful environment very much .

    I'm realizing more and more how vital it is for one's mental (and physical) health to spend time in…read morenature. During a particularly low day, I was literally craving me some nature. Which makes sense when you're in a concrete urban jungle day in and day out - we just weren't meant to live this way. I literally searched Yelp for a park in the area on my way home, and Lakeshore came up. Tucked away in a residential area, Lakeshore is a small-ish, serene, well-kept park with, as the name implies, a lake being the central point. I strolled on the path for a bit. I'm not sure how long the path is, but it seems like a good spot to get a decent walk in, and there were a few walkers and joggers. After stretching my legs for a bit, I grabbed some bench and watched the birds - geese (these guys are huge!), seagulls, ducks, and crows - hanging out and eyeballing me to determine if I had food. They were so cute. There is nothing that gets me feeling better fast than being around animals. The human animals that passed by were nice as well, with smiles and hellos, how refreshing. I spent some time just sitting and resetting. It was good. I need to do this more. Nice park, enjoyed a much-needed reprieve here, and would return.

    Photos
    Lakeshore Park
    Lakeshore Park - Park rules

    Park rules

    Lakeshore Park - Lots of baby geese in the park in April

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    Lots of baby geese in the park in April

    Quarry Lakes - Lake views/pier

    Quarry Lakes

    4.1(240 reviews)
    4.1 mi

    Unsure why not many people frequent this park? I went on a leisurely hike around the lake on a…read moreSunday morning. There's two main parking lots, one is free so you'd have to come early and the other larger one is paid like $5 a vehicle. The walk around the lake is extremely easy and pleasant, and there's not many people to dodge at all which is nice. It's also pet friendly so bring your fido, except there is a lot of geese droppings around so just be careful not to step on those or have you fido eat something it shouldnt lol The lake trails have a balanced mix of sun and shade and it doesn't get too hot. I can't speak for the actual lake itself as I did not get close to the waters. When I came back from finishing the hike, it was around 1pm and I noticed the parking lots were essentially empty with the exception of a few cars. Why? It's such a nice open park with lots of bbq pits and places to sit and hang out! More people should come and hang out!

    There's free parking at the Isherwood Staging Area and convenient gate access to the lake trails at…read morethe end of this lot (so no need to trek to the main parking lot to enter the park). Not only did I save money by avoiding parking fees, but there were so many adorable goats along the creek on the other side of the ISA lot, seemingly hundreds. Apparently, they are brought in periodically for wildfire prevention as they eat the dry grass. It was a lovely surprise. The Quarry Lakes recreation area offers multiple restrooms, picnic tables and park benches galore, plenty of grass with grazing geese, ducks swimming in the water, squirrels scampering around, fishing docks and pier, and wide gravel trails bordering the lakes which was perfect for my run this past Sunday. There were hardly any visitors while I was there so I was able to enjoy the scenic views and serene environment with minimal distractions.

    Photos
    Quarry Lakes
    Quarry Lakes
    Quarry Lakes - Goats near Isherwood Staging Area parking lot

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    Goats near Isherwood Staging Area parking lot

    Mariner Park - parks - Updated October 2026

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