This body of water is known as "Winnapaug Pond" or "Brightman Pond".

https://en.wikipedia.org/wiki/Winnapaug_Pond

patterson ranch trail connects here

This private road does not have access to the houses that back onto it, but teslas and delivery drivers are routed that way, effectively suggesting they leave parcels at the outside of rear fences. It’s not in safe condition for vehicles and there is nowhere for them to turn around, meaning they have to do a long dark reverse to get out. It needs to be marked as “closed” or something rather than just private.

onosm.org submitted note from a business:
Name: Inlet Mechanical
addr:housenumber=2180
addr:street= Franklin Dr NE
addr:city=Palm Bay
addr:postcode=32905
Phone number: (321) 723-0858
Website: https://inletfl.com/
Social Network: https://www.facebook.com/inletfl
Opening Hours: Monday – Friday: 7:30 AM – 5:00 PM Saturday: Closed Sunday: Closed
Category: Plumbing
Description: Inlet Mechanical is a licensed HVAC and plumbing contractor serving Palm Bay, Melbourne, and Brevard County, Florida. We provide AC repair, AC installation, emergency plumbing, drain cleaning, water heater repair, commercial HVAC, and full mechanical contracting services. Family-owned with 85+ years combined experience and Florida licenses CMC1250858 and CFC1433105.
Accepted payment methods:

unknown

Unable to answer "How many car lanes does this road have?" – Minor/Unclassified Road – way/38628614 via StreetComplete 60.3:

Fußweg

onosm.org submitted note from a business:
name: Ceesar Handz
phone:
website:
twitter: undefined
hours: Monday-Saturday
category: ,Barbers
address: 15126 Paramount Blvd. Paramount CA 90723

onosm.org submitted note from a business:
name: Blendz & Co Barbershop
phone: 5622974029
website:
twitter: undefined
hours: Monday-Saturday
category: ,Barbers
address: 15128 Paramount Blvd. Paramount, Ca 90723

This island is called "Saelak Isle." There is a street sign on the mainland which points to the Isle, listing the name.

Additionally, Indian Creek does not cut through the island, nor is Lewis Cemetery located on it. Historic topographic maps from the USGS survey from prior to the creation of Douglas Lake (e.g., the 1935 Clevenger TN survey) show the original path of Indian Creek as circumscribing the island by the western and northern faces. Today, however, the lake is the principal body of water in the area.

node/11063736057/history

is it really a place where you can cut your hair?

if you can buy hair-related products there but not cut hair then maybe shop=hairdresser_supply would be better?